| US2993195A
              (en)
            
            * |  | 1961-07-18 |  | groce | 
        
          | US3124783A
              (en)
            
            * |  | 1964-03-10 |  | adams | 
        
          | US2945625A
              (en)
            
            * | 1949-12-02 | 1960-07-19 | Int Standard Electric Corp | Information handling equipment | 
        
          | NL157686B
              (nl)
            
            * | 1949-12-02 |  | Sulzer Ag | Hydrostatische zuigermachine. | 
        
          | FR1096740A
              (en:Method)
            
            * | 1953-01-23 | 1955-06-23 |  |  | 
        
          | NL187900B
              (nl)
            
            * | 1953-05-28 |  | Bizien Jules | Voertuig, voorzien van een laadruimte met schuifdeuren. | 
        
          | DE1069412B
              (de)
            
            * | 1953-12-30 | 1959-11-19 | IBM Deutschland Internationale Büro-Maschinen Gesellschaft m.b.H., Sindelfingen (Würti.) | Verfahren und Anordnung zur Identifizierung von Schriftzeichen | 
        
          | BE534547A
              (en:Method)
            
            * | 1953-12-31 |  |  |  | 
        
          | US2891237A
              (en)
            
            * | 1954-01-04 | 1959-06-16 | Cons Electrodynamics Corp | Data processing apparatus | 
        
          | US3007640A
              (en)
            
            * | 1954-01-06 | 1961-11-07 | Bendix Corp | Digital differential analyzers | 
        
          | NL193982A
              (en:Method)
            
            * | 1954-01-15 |  |  |  | 
        
          | BE535413A
              (en:Method)
            
            * | 1954-02-04 | 1900-01-01 |  |  | 
        
          | US3245039A
              (en)
            
            * | 1954-03-22 | 1966-04-05 | Ibm | Electronic data processing machine | 
        
          | US2817480A
              (en)
            
            * | 1954-05-17 | 1957-12-24 | Hughes Aircraft Co | Electronic data translating system | 
        
          | US2905930A
              (en)
            
            * | 1954-05-24 | 1959-09-22 | Underwood Corp | Data transfer system | 
        
          | US2961643A
              (en)
            
            * | 1954-07-01 | 1960-11-22 | Rca Corp | Information handling system | 
        
          | US2941188A
              (en)
            
            * | 1954-07-01 | 1960-06-14 | Rca Corp | Printer control system | 
        
          | US2931014A
              (en)
            
            * | 1954-07-14 | 1960-03-29 | Ibm | Magnetic core buffer storage and conversion system | 
        
          | NL113696C
              (en:Method)
            
            * | 1954-08-17 |  |  |  | 
        
          | US2843841A
              (en)
            
            * | 1954-09-20 | 1958-07-15 | Internat Telemeter Corp | Information storage system | 
        
          | US2919429A
              (en)
            
            * | 1954-10-25 | 1959-12-29 | Ibm | Data transfer mechanism | 
        
          | US2935251A
              (en)
            
            * | 1954-11-01 | 1960-05-03 | Ibm | Data storage apparatus | 
        
          | US2974306A
              (en)
            
            * | 1954-11-15 | 1961-03-07 |  | File maintenance machine | 
        
          | US2854192A
              (en)
            
            * | 1954-11-23 | 1958-09-30 | Ibm | Timing and data selection means for a register display device | 
        
          | US2990114A
              (en)
            
            * | 1954-11-23 | 1961-06-27 | Eric T Hudec | Automatic number transfer from the registers of a calculator | 
        
          | NL202362A
              (en:Method)
            
            * | 1954-11-26 |  |  |  | 
        
          | US2913171A
              (en)
            
            * | 1954-12-09 | 1959-11-17 | Ibm | Sorter-collator for tape recorded data | 
        
          | US2913705A
              (en)
            
            * | 1955-01-10 | 1959-11-17 | Gen Electric | Storage system | 
        
          | BE546326A
              (en:Method)
            
            * | 1955-02-14 |  |  |  | 
        
          | BE545667A
              (en:Method)
            
            * | 1955-03-02 |  |  |  | 
        
          | US2975017A
              (en)
            
            * | 1955-03-30 | 1961-03-14 | Ibm | Optical frequency generator for magnetic timing and index tracks | 
        
          | GB784432A
              (en)
            
            * | 1955-04-05 | 1957-10-09 | British Tabulating Mach Co Ltd | Improvements in or relating to data storage devices | 
        
          | US3172077A
              (en)
            
            * | 1955-04-17 | 1965-03-02 | Seismograph Service Corp | Reproducing and translating apparatus | 
        
          | NL206440A
              (en:Method)
            
            * | 1955-04-20 |  |  |  | 
        
          | US2911625A
              (en)
            
            * | 1955-05-26 | 1959-11-03 | Rca Corp | Information translating system | 
        
          | US2929556A
              (en)
            
            * | 1955-05-26 | 1960-03-22 | Alwac Internat | Data converter and punch card transducer for digital computers | 
        
          | NL207985A
              (en:Method)
            
            * | 1955-06-13 |  |  |  | 
        
          | IT562813A
              (en:Method)
            
            * | 1955-06-13 |  |  |  | 
        
          | BE548566A
              (en:Method)
            
            * | 1955-06-13 |  |  |  | 
        
          | US2817071A
              (en)
            
            * | 1955-07-05 | 1957-12-17 | Sperry Rand Corp | Failure warning device for servo systems | 
        
          | FR1130155A
              (fr)
            
            * | 1955-08-03 | 1957-01-31 | Bull Sa Machines | Machine à comparer pour la vérification de documents | 
        
          | GB853691A
              (en)
            
            * | 1955-08-05 | 1960-11-09 | Gerhard Dirks | A method and means for the automatic repetition of signal transmissions | 
        
          | US2966304A
              (en)
            
            * | 1955-08-23 | 1960-12-27 | Ibm | Electronic computer | 
        
          | GB854309A
              (en)
            
            * | 1955-08-25 | 1960-11-16 | Gerhard Dirks | Improvements in high-speed printing devices | 
        
          | US2931916A
              (en)
            
            * | 1955-09-30 | 1960-04-05 | Rca Corp | Document transcriber | 
        
          | US2927732A
              (en)
            
            * | 1955-10-10 | 1960-03-08 | Marchant Res Inc | Electronic computer | 
        
          | US2871289A
              (en)
            
            * | 1955-10-10 | 1959-01-27 | Gen Electric | Error-checking system | 
        
          | GB802692A
              (en)
            
            * | 1955-11-17 | 1958-10-08 | Standard Telephones Cables Ltd | Improvements in or relating to electrical calculating equipment | 
        
          | US2916542A
              (en)
            
            * | 1955-11-30 | 1959-12-08 | Bell Telephone Labor Inc | Semiautomatic teletypewriter switching system | 
        
          | US2946504A
              (en)
            
            * | 1955-12-23 | 1960-07-26 | Ibm | Accounting machine | 
        
          | US2828362A
              (en)
            
            * | 1956-01-24 | 1958-03-25 | Bell Telephone Labor Inc | Digit data transmission system | 
        
          | US2907823A
              (en)
            
            * | 1956-01-25 | 1959-10-06 | Siemens Ag | Start-stop teleprinter | 
        
          | US2978678A
              (en)
            
            * | 1956-02-20 | 1961-04-04 | Ibm | Data transmission system | 
        
          | US2945213A
              (en)
            
            * | 1956-02-24 | 1960-07-12 | Curtiss Wright Corp | Electronic calculator | 
        
          | US2918659A
              (en)
            
            * | 1956-02-28 | 1959-12-22 | Burroughs Corp | Format control for high speed printers | 
        
          | NL215945A
              (en:Method)
            
            * | 1956-04-02 |  |  |  | 
        
          | NL215833A
              (en:Method)
            
            * | 1956-04-04 |  |  |  | 
        
          | US2968791A
              (en)
            
            * | 1956-04-17 | 1961-01-17 | Ibm | Buffer storage system | 
        
          | US3037191A
              (en)
            
            * | 1956-04-17 | 1962-05-29 | Ibm | Checking system | 
        
          | US3014654A
              (en)
            
            * | 1956-04-20 | 1961-12-26 | Ibm | Random storage input device | 
        
          | US2932010A
              (en)
            
            * | 1956-05-03 | 1960-04-05 | Research Corp | Data storage system | 
        
          | US3040299A
              (en)
            
            * | 1956-05-03 | 1962-06-19 | Ibm | Data storage system | 
        
          | US2995297A
              (en)
            
            * | 1956-06-01 | 1961-08-08 | Ibm | Card to tape converter | 
        
          | US3029019A
              (en)
            
            * | 1956-06-01 | 1962-04-10 | Ibm | Card to tape converter | 
        
          | IT571100A
              (en:Method)
            
            * | 1956-06-20 |  |  |  | 
        
          | US3056110A
              (en)
            
            * | 1956-07-13 | 1962-09-25 | Research Corp | Digital data transmission system | 
        
          | US2919968A
              (en)
            
            * | 1956-08-27 | 1960-01-05 | Rca Corp | Magnetic recording error control | 
        
          | US2974307A
              (en)
            
            * | 1956-08-27 | 1961-03-07 | Magnavox Co | Card processing system | 
        
          | US2957162A
              (en)
            
            * | 1956-10-24 | 1960-10-18 | Eastman Kodak Co | Punched card to magnetic tape converter | 
        
          | FR1160861A
              (fr)
            
            * | 1956-11-17 | 1958-08-12 | Ibm France | Transcription des données lues à partir d'une carte enregistreuse | 
        
          | US3061818A
              (en)
            
            * | 1956-12-12 | 1962-10-30 | Bell Telephone Labor Inc | Magnetic core register circuits | 
        
          | US2967296A
              (en)
            
            * | 1956-12-14 | 1961-01-03 | Rca Corp | Information extracting system | 
        
          | US3007137A
              (en)
            
            * | 1956-12-14 | 1961-10-31 | Rca Corp | Information handling system | 
        
          | US3035252A
              (en)
            
            * | 1956-12-28 | 1962-05-15 | Bell Telephone Labor Inc | Data handling equipment | 
        
          | US2957163A
              (en)
            
            * | 1957-01-02 | 1960-10-18 | Honeywell Regulator Co | Electrical apparatus | 
        
          | US3042903A
              (en)
            
            * | 1957-01-15 | 1962-07-03 | Ibm | Means for transferring information between plural memory devices | 
        
          | US2902679A
              (en)
            
            * | 1957-01-15 | 1959-09-01 | Rca Corp | Information translating system | 
        
          | NL224250A
              (en:Method)
            
            * | 1957-01-22 |  |  |  | 
        
          | US3201762A
              (en)
            
            * | 1957-01-25 | 1965-08-17 | Honeywell Inc | Electrical data processing apparatus | 
        
          | US2920310A
              (en)
            
            * | 1957-01-28 | 1960-01-05 | Addressograph Multigraph | Comparison devices | 
        
          | US2961644A
              (en)
            
            * | 1957-01-28 | 1960-11-22 | Lab For Electronics Inc | Data translating apparatus | 
        
          | NL225593A
              (en:Method)
            
            * | 1957-03-07 |  |  |  | 
        
          | US3122725A
              (en)
            
            * | 1957-04-23 | 1964-02-25 | Romano Samuel | Magnetic variation storage device for navigational computer | 
        
          | NL227084A
              (en:Method)
            
            * | 1957-04-24 |  |  |  | 
        
          | NL227219A
              (en:Method)
            
            * | 1957-04-27 |  |  |  | 
        
          | US2985714A
              (en)
            
            * | 1957-06-13 | 1961-05-23 | Ibm | Paper tape transmission system | 
        
          | US3413628A
              (en)
            
            * | 1957-06-24 | 1968-11-26 | Whittaker Corp | Random access data storage apparatus | 
        
          | US3000556A
              (en)
            
            * | 1957-06-26 | 1961-09-19 | Burroughs Corp | Data conversion system | 
        
          | US2944733A
              (en)
            
            * | 1957-06-26 | 1960-07-12 | Burroughs Corp | Data conversion system | 
        
          | NL229574A
              (en:Method)
            
            * | 1957-07-15 |  |  |  | 
        
          | DE1177683B
              (de)
            
            * | 1957-08-22 | 1964-09-10 | Olympia Werke Ag | Tastenbetaetigte Eingabevorrichtung fuer Matrix-speicher als Pufferspeicher an datenverarbeiten-den Maschinen | 
        
          | US3012230A
              (en)
            
            * | 1957-09-30 | 1961-12-05 | Electronic Eng Co | Computer format control buffer | 
        
          | US2950672A
              (en)
            
            * | 1957-12-11 | 1960-08-30 | Ibm | Printing directory | 
        
          | US2923924A
              (en)
            
            * | 1957-12-23 | 1960-02-02 |  | Information recording control and check | 
        
          | IT600645A
              (en:Method)
            
            * | 1957-12-23 |  |  |  | 
        
          | US3130386A
              (en)
            
            * | 1958-01-27 | 1964-04-21 | Honeywell Regulator Co | Digital data processing conversion and checking apparatus | 
        
          | US3005189A
              (en)
            
            * | 1958-02-17 | 1961-10-17 | Ibm | Interrecord noise elimination | 
        
          | US3020525A
              (en)
            
            * | 1958-04-04 | 1962-02-06 | American Telephone & Telegraph | Record controlled translator | 
        
          | NL226877A
              (en:Method)
            
            * | 1958-04-16 |  |  |  | 
        
          | US3112474A
              (en)
            
            * | 1958-04-25 | 1963-11-26 | Burroughs Corp | Magnetic signal distribution system | 
        
          | US3092810A
              (en)
            
            * | 1958-05-26 | 1963-06-04 | Gen Precision Inc | High speed tape memory system | 
        
          | US3092811A
              (en)
            
            * | 1958-07-21 | 1963-06-04 | Ibm | Data input device | 
        
          | US3140470A
              (en)
            
            * | 1958-08-04 | 1964-07-07 | Honeywell Regulator Co | Error checking circuit for a plurality of parallel data transmission channels | 
        
          | IT614743A
              (en:Method)
            
            * | 1958-08-29 | 1900-01-01 |  |  | 
        
          | US3036291A
              (en)
            
            * | 1958-09-16 | 1962-05-22 | Itt | Data processing system | 
        
          | US3025499A
              (en)
            
            * | 1958-09-26 | 1962-03-13 | Bendix Corp | Tabulating card system | 
        
          | NL243601A
              (en:Method)
            
            * | 1958-09-29 |  |  |  | 
        
          | GB869252A
              (en)
            
            * | 1958-10-04 | 1961-05-31 | Olivetti & Co Spa | Checking device for record processing machines | 
        
          | GB916335A
              (en)
            
            * | 1958-10-10 | 1963-01-23 | Int Computers & Tabulators Ltd | Improvements in or relating to magnetic data storage devices | 
        
          | US3089121A
              (en)
            
            * | 1958-12-14 | 1963-05-07 | North American Avaition Inc | Digital comparator | 
        
          | US3129409A
              (en)
            
            * | 1959-05-05 | 1964-04-14 | United Aircraft Corp | Magnetic tape to perforated tape digital information converter | 
        
          | US3165720A
              (en)
            
            * | 1959-06-29 | 1965-01-12 | Ibm | Data input device with formal control | 
        
          | GB960394A
              (en:Method)
            
            * | 1959-09-21 |  |  |  | 
        
          | US3139607A
              (en)
            
            * | 1959-09-25 | 1964-06-30 | Collins Radio Co | Synchronous communication system with nonsynchronous terminals | 
        
          | US3252143A
              (en)
            
            * | 1959-10-12 | 1966-05-17 | Svenska Dataregister Ab | Data handling system | 
        
          | US3087420A
              (en)
            
            * | 1959-11-19 | 1963-04-30 | Ibm | Ultra speed printer | 
        
          | US3122996A
              (en)
            
            * | 1959-12-09 | 1964-03-03 |  | heatwole | 
        
          | US3016008A
              (en)
            
            * | 1959-12-16 | 1962-01-09 | Anelex Corp | Data processing apparatus | 
        
          | US3141152A
              (en)
            
            * | 1959-12-21 | 1964-07-14 | Ibm | Control apparatus | 
        
          | IT641679A
              (en:Method)
            
            * | 1959-12-29 |  |  |  | 
        
          | US3201759A
              (en)
            
            * | 1959-12-30 | 1965-08-17 | Ibm | Data input device | 
        
          | US3228004A
              (en)
            
            * | 1960-03-07 | 1966-01-04 | Control Data Corp | Logical translator | 
        
          | US3075043A
              (en)
            
            * | 1960-03-14 | 1963-01-22 | Gen Instrument Corp | Punched card to teletypewriter code converter | 
        
          | NL263120A
              (en:Method)
            
            * | 1960-04-04 |  |  |  | 
        
          | US3183489A
              (en)
            
            * | 1960-04-06 | 1965-05-11 | Ibm | Data transfer device | 
        
          | NL264277A
              (en:Method)
            
            * | 1960-05-03 |  |  |  | 
        
          | US3131262A
              (en)
            
            * | 1960-07-27 | 1964-04-28 | Bell Telephone Labor Inc | Telephone system with selective code compression and register recycle | 
        
          | US3131261A
              (en)
            
            * | 1960-07-27 | 1964-04-28 | Bell Telephone Labor Inc | Telephone system with selective code compression and register recycle | 
        
          | US3310776A
              (en)
            
            * | 1960-09-28 | 1967-03-21 | Giorgio John A Di | Automatic binary-code error detecting system | 
        
          | US3235854A
              (en)
            
            * | 1961-03-03 | 1966-02-15 | Honeywell Inc | Information handling apparatus | 
        
          | US3199672A
              (en)
            
            * | 1962-07-20 | 1965-08-10 | Campbeil Soup Company | Multiple test unit tester and method | 
        
          | US3286029A
              (en)
            
            * | 1962-12-03 | 1966-11-15 | Rca Corp | Information translating apparatus | 
        
          | US3184714A
              (en)
            
            * | 1963-04-15 | 1965-05-18 | Texas Instruments Inc | Apparatus for use with a credit card | 
        
          | US3737872A
              (en)
            
            * | 1965-02-23 | 1973-06-05 | Scm Corp | Plugboard selection of ordinal limits of register readout | 
        
          | US3456238A
              (en)
            
            * | 1965-11-30 | 1969-07-15 | Gen Electric | Checking circuitry for information handling apparatus | 
        
          | US3975715A
              (en)
            
            * | 1973-10-25 | 1976-08-17 | Xerox Corporation | Scanning and selection methods and apparatus therefor |