US2735005A
(en)
*
|
|
1956-02-14 |
|
Add-subtract counter |
GB497054A
(en)
*
|
1937-06-04 |
1938-12-05 |
Ibm |
Improvements in or relating to record-controlled statistical machines
|
US2279018A
(en)
*
|
1939-12-29 |
1942-04-07 |
Rca Corp |
Sound recording method and system
|
US2359617A
(en)
*
|
1941-11-29 |
1944-10-03 |
Ibm |
Magnetic recording apparatus
|
US2513616A
(en)
*
|
1944-05-25 |
1950-07-04 |
Magnatone Inc |
Magnetic recording and reproducing
|
US2668661A
(en)
*
|
1944-11-23 |
1954-02-09 |
Bell Telephone Labor Inc |
Complex computer
|
US2616624A
(en)
*
|
1945-02-08 |
1952-11-04 |
Ibm |
Calculator
|
US2670212A
(en)
*
|
1946-02-23 |
1954-02-23 |
Heller |
Sound recording and reproduction system
|
US2661899A
(en)
*
|
1946-07-12 |
1953-12-08 |
Benjamin J Chromy |
Electronic calculator
|
US2692728A
(en)
*
|
1946-12-17 |
1954-10-26 |
Bell Telephone Labor Inc |
Testing system
|
US2692082A
(en)
*
|
1946-12-17 |
1954-10-19 |
Bell Telephone Labor Inc |
Automatic calculator
|
BE481434A
(fr)
*
|
1947-03-25 |
|
|
|
US2646926A
(en)
*
|
1947-09-26 |
1953-07-28 |
Padevco Inc |
Multiple-decade differential counter
|
US2603688A
(en)
*
|
1947-11-06 |
1952-07-15 |
Roeblings John A Sons Co |
Apparatus for measuring wire and the like
|
US2538636A
(en)
*
|
1947-12-31 |
1951-01-16 |
Bell Telephone Labor Inc |
Digital computer
|
US2540654A
(en)
*
|
1948-03-25 |
1951-02-06 |
Engineering Res Associates Inc |
Data storage system
|
US2611813A
(en)
*
|
1948-05-26 |
1952-09-23 |
Technitrol Engineering Company |
Magnetic data storage system
|
US2750532A
(en)
*
|
1948-06-03 |
1956-06-12 |
Ibm |
Cathode-ray devices, particularly for electronic computers
|
US2609143A
(en)
*
|
1948-06-24 |
1952-09-02 |
George R Stibitz |
Electronic computer for addition and subtraction
|
US2737342A
(en)
*
|
1948-08-04 |
1956-03-06 |
Teleregister Corp |
Rotary magnetic data storage system
|
US2596741A
(en)
*
|
1948-08-28 |
1952-05-13 |
Eastman Kodak Co |
External memory device for electronic digital computers
|
NL79243C
(fr)
*
|
1948-12-23 |
|
|
|
US2636672A
(en)
*
|
1949-01-19 |
1953-04-28 |
Ibm |
Selective sequence electronic calculator
|
US2604262A
(en)
*
|
1949-01-19 |
1952-07-22 |
Ibm |
Multiplying and dividing means
|
BE493642A
(fr)
*
|
1949-01-31 |
|
|
|
US2701095A
(en)
*
|
1949-02-12 |
1955-02-01 |
George R Stibitz |
Electronic computer for division
|
NL151959B
(nl)
*
|
1949-03-01 |
|
Nickel Le |
Werkwijze ter bereiding van zuiver nikkelsulfaathydraat.
|
NL152265B
(nl)
*
|
1949-03-14 |
|
Snam Progetti |
Werkwijze voor de bereiding van zinkzouten van dithiofosforzuurdiesters.
|
NL80783C
(fr)
*
|
1949-03-24 |
|
|
|
NL152914B
(nl)
*
|
1949-04-14 |
|
Continental Carbon Co |
Reactor voor het bereiden van roet.
|
USRE24447E
(en)
*
|
1949-04-27 |
1958-03-25 |
|
Diagnostic information monitoring |
US2810516A
(en)
*
|
1949-06-03 |
1957-10-22 |
Nat Res Dev |
Electronic digital computing devices
|
NL227827A
(fr)
*
|
1949-06-03 |
|
|
|
NL154333B
(nl)
*
|
1949-06-22 |
|
Polaroid Corp |
Fotografische filmeenheid van het zelfontwikkeltype.
|
NL154335B
(nl)
*
|
1949-06-22 |
|
Hell Rudolf Dr Ing Gmbh |
Stelsel voor het op- en afspannen van fotografisch filmmateriaal op en van een trommel.
|
BE496517A
(fr)
*
|
1949-06-22 |
|
|
|
BE497585A
(fr)
*
|
1949-08-17 |
|
|
|
NL155431B
(nl)
*
|
1949-08-17 |
|
Western Electric Co |
Communicatiestelsel met tijdverdeling.
|
US2549071A
(en)
*
|
1949-09-10 |
1951-04-17 |
Lawton Products Company Inc |
Space reservation system
|
US2589465A
(en)
*
|
1949-10-22 |
1952-03-18 |
Eckert Mauchly Comp Corp |
Monitoring system
|
FR1000832A
(fr)
*
|
1949-11-23 |
1952-02-18 |
Electronique & Automatisme Sa |
Circuits opérateurs pour signaux électriques codés
|
NL86936C
(fr)
*
|
1949-12-01 |
|
|
|
BE499765A
(fr)
*
|
1949-12-02 |
|
|
|
US2698875A
(en)
*
|
1950-03-24 |
1955-01-04 |
Magnecord Inc |
Plural track magnetic recording and/or reproducing apparatus
|
NL102042C
(fr)
*
|
1950-04-05 |
|
|
|
BE503357A
(fr)
*
|
1950-05-18 |
|
|
|
US2686299A
(en)
*
|
1950-06-24 |
1954-08-10 |
Remington Rand Inc |
Selecting network
|
GB736144A
(en)
*
|
1950-08-16 |
1955-09-07 |
Remington Rand Inc |
Binary automatic computer
|
GB742470A
(en)
*
|
1950-08-18 |
1955-12-30 |
Nat Res Dev |
Improvements in or relating to electronic digital computing machines
|
DE1001837B
(de)
*
|
1950-10-10 |
1957-01-31 |
Hughes Aircraft Co |
Elektronisches Rechenmaschinenelement
|
US2639859A
(en)
*
|
1950-11-29 |
1953-05-26 |
Rca Corp |
Transitory memory circuits
|
US2800276A
(en)
*
|
1950-12-21 |
1957-07-23 |
Ibm |
Electronic conversion counter
|
US2731201A
(en)
*
|
1950-12-21 |
1956-01-17 |
Ibm |
Electronic counter
|
FR1054234A
(fr)
*
|
1950-12-21 |
1954-02-09 |
Ibm |
Compteur électronique
|
NL83444C
(fr)
*
|
1950-12-29 |
|
|
|
GB678427A
(en)
*
|
1951-03-09 |
1952-09-03 |
British Tabulating Mach Co Ltd |
Improvements in electronic adding devices
|
US2775402A
(en)
*
|
1951-05-25 |
1956-12-25 |
Weiss Eric |
Coded decimal summer
|
US2797862A
(en)
*
|
1951-11-08 |
1957-07-02 |
Bell Telephone Labor Inc |
Digital computer
|
US2850232A
(en)
*
|
1951-12-26 |
1958-09-02 |
Northrop Aircraft Inc |
Machine for digital differential analysis
|
US2764343A
(en)
*
|
1952-02-25 |
1956-09-25 |
Hughes Aircraft Co |
Electronic switching and counting circuit
|
US2781446A
(en)
*
|
1952-03-28 |
1957-02-12 |
Sperry Rand Corp |
Pulse cycling circuit
|
FR1084147A
(fr)
*
|
1952-03-31 |
1955-01-17 |
|
|
US2705108A
(en)
*
|
1952-08-14 |
1955-03-29 |
Jr Joseph J Stone |
Electronic adder-accumulator
|
US2886241A
(en)
*
|
1952-08-26 |
1959-05-12 |
Rca Corp |
Code converter
|
GB738294A
(en)
*
|
1952-10-20 |
1955-10-12 |
British Tabulating Mach Co Ltd |
Improvements in or relating to data comparing devices
|
US2679035A
(en)
*
|
1952-10-29 |
1954-05-18 |
Us Commerce |
Cathode-ray tube character display system
|
US2823855A
(en)
*
|
1952-11-26 |
1958-02-18 |
Hughes Aircraft Co |
Serial arithmetic units for binary-coded decimal computers
|
US2679638A
(en)
*
|
1952-11-26 |
1954-05-25 |
Rca Corp |
Computer system
|
US2674733A
(en)
*
|
1952-12-02 |
1954-04-06 |
Hughes Tool Co |
Electronic sorting system
|
US2852187A
(en)
*
|
1952-12-16 |
1958-09-16 |
Northrop Aircraft Inc |
Automatic coding system for a digital differential analyzer
|
US2877449A
(en)
*
|
1953-01-02 |
1959-03-10 |
Ibm |
Intermediate magnetic core storage
|
NL187754B
(nl)
*
|
1953-05-26 |
|
Opti Patent Forschung Fab |
Geweven ritssluiting.
|
US2785856A
(en)
*
|
1953-08-26 |
1957-03-19 |
Rca Corp |
Comparator system for two variable length items
|
US2782398A
(en)
*
|
1953-08-28 |
1957-02-19 |
Raytheon Mfg Co |
Apparatus for photoelectrically cataloging digital data on magnetic tape
|
US2892587A
(en)
*
|
1953-09-03 |
1959-06-30 |
Hughes Aircraft Co |
Result-from-carry adder-subtracters
|
NL193490A
(fr)
*
|
1953-12-24 |
|
|
|
US2801406A
(en)
*
|
1955-03-30 |
1957-07-30 |
Underwood Corp |
Alphabetic-numeric data processor
|