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DE256179C
(GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
*
|
|
|
|
|
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US2234291A
(en)
*
|
|
1941-03-11 |
|
Printing mechanism |
|
US1570264A
(en)
*
|
1921-12-30 |
1926-01-19 |
Tabulating Machine Co |
Automatically-controlled tabulating machine
|
|
DE454833C
(de)
*
|
1924-03-26 |
1928-01-19 |
Tabulating Machine Company |
Tabelliermaschine mit Einrichtungen zum Drucken von Posten und Summen in mehreren Spalten
|
|
US1762145A
(en)
*
|
1925-02-05 |
1930-06-10 |
Tabulating Machine Co |
Tabulating machine
|
|
US1921453A
(en)
*
|
1928-01-19 |
1933-08-08 |
Tabulating Machine Co |
Printing mechanism for accounting machines
|
|
US2059797A
(en)
*
|
1930-06-27 |
1936-11-03 |
Ibm |
Tabulator
|
|
US2083061A
(en)
*
|
1931-07-08 |
1937-06-08 |
Addressograph Multigraph |
Printing machine
|
|
US2016709A
(en)
*
|
1931-09-08 |
1935-10-08 |
Ibm |
Record comparing and posting machine
|
|
US1954041A
(en)
*
|
1931-12-05 |
1934-04-10 |
Ibm |
Billing machine
|
|
US2066305A
(en)
*
|
1933-03-03 |
1936-12-29 |
Ibm |
Record feeding device
|
|
US2036024A
(en)
*
|
1933-12-30 |
1936-03-31 |
Ibm |
Tabulating machine
|
|
US2153182A
(en)
*
|
1935-05-11 |
1939-04-04 |
Ibm |
Record controlled machine
|
|
US2240667A
(en)
*
|
1936-07-15 |
1941-05-06 |
Ibm |
Card controlled machine
|
|
US2077962A
(en)
*
|
1936-08-12 |
1937-04-20 |
Addressograph Multigraph |
Printing machine
|
|
US2240562A
(en)
*
|
1937-02-17 |
1941-05-06 |
Ibm |
Card controlled typewriter
|
|
US2131919A
(en)
*
|
1937-08-13 |
1938-10-04 |
Ibm |
Record controlled printing machine
|
|
DE741800C
(de)
*
|
1938-06-23 |
1943-11-19 |
Hollerith Maschinen Ges M B H |
Abfuehleinrichtung fuer durch Zaehlkarten gesteuerte Maschinen
|
|
US2203441A
(en)
*
|
1938-11-25 |
1940-06-04 |
Charlotte Chemical Lab Inc |
Water-soluble and oil-soluble sulphonic or sulphate derivatives of hydrocarbons
|
|
CA432673A
(en)
*
|
1940-07-24 |
1946-01-22 |
International Business Machines Corporation |
Paper feeding device
|
|
US2442970A
(en)
*
|
1941-05-03 |
1948-06-08 |
Ibm |
Paper feeding device
|
|
US2348059A
(en)
*
|
1943-02-19 |
1944-05-02 |
Ibm |
Paper feeding mechanism
|
|
US2415279A
(en)
*
|
1943-07-16 |
1947-02-04 |
Ibm |
Record card feeding mechanism
|
|
US2426049A
(en)
*
|
1943-09-16 |
1947-08-19 |
Ibm |
Record controlled multiple line printing mechanism
|
|
NL75402C
(GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
*
|
1943-11-20 |
|
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