US2623592A
(en)
*
|
|
1952-12-30 |
|
Card reproducing machine |
US2711794A
(en)
*
|
|
1955-06-28 |
|
ghertman |
DE747603C
(en)
*
|
1940-06-11 |
1944-11-18 |
Hollerith Maschinen Ges M B H |
Entry machine for registration cards
|
DE976542C
(en)
*
|
1942-03-14 |
1963-11-07 |
Ibm Deutschland |
Printing unit for card punching machines
|
US2448781A
(en)
*
|
1942-03-14 |
1948-09-07 |
Ibm |
Record controlled machine
|
US2532331A
(en)
*
|
1946-01-05 |
1950-12-05 |
Rose Ernest |
Punching circuit
|
US2614632A
(en)
*
|
1948-07-27 |
1952-10-21 |
American Telephone & Telegraph |
Apparatus for recording numerals in code
|
BE491526A
(en)
*
|
1948-10-08 |
|
|
|
US2647581A
(en)
*
|
1949-07-06 |
1953-08-04 |
Ibm |
Record card punching machine
|
US2690222A
(en)
*
|
1950-08-19 |
1954-09-28 |
Ibm |
Mark sensing reproducer
|
US2684719A
(en)
*
|
1950-08-19 |
1954-07-27 |
Ibm |
Storage key punch
|
NL166471B
(en)
*
|
1951-08-09 |
|
Upjohn Co |
PROCESS FOR PREPARING A THERAPEUTIC PREPARATION AND PROCESS FOR PREPARING A SUITABLE BENZOPHEN DERIVATIVE.
|
NL166510B
(en)
*
|
1951-08-10 |
|
France Etat |
GUARDRAIL, WHICH CAN SLIDE IN CROSS DIRECTION.
|
NL166511B
(en)
*
|
1951-08-14 |
|
Vredestein Nv |
WATER-SEALING OR WATER COLOR COMPOSITION FOR A JOINT IN A CONCRETE CONSTRUCTION AND METHOD FOR APPLYING THIS.
|
DE973735C
(en)
*
|
1951-08-24 |
1960-05-25 |
Michael Maul |
Card doubler for double deck cards
|
NL168464B
(en)
*
|
1951-09-26 |
|
Kaupert Guenter Dr Ing |
SLIDING INTO A STACK, WITH A NUMBER OF CUP-SHAPED PARTS, INSERTS.
|
NL168968B
(en)
*
|
1951-10-02 |
|
Hollandse Signaalapparaten Bv |
DEVICE FOR PROCESSING DIGITAL SYMBOL INFORMATION FOR THE PURPOSE OF DISPLAYING TEXT ON A TELEVISION MONITOR.
|
US2844307A
(en)
*
|
1952-01-29 |
1958-07-22 |
Bell Telephone Labor Inc |
Record-controlled apparatus
|
US2775297A
(en)
*
|
1952-05-01 |
1956-12-25 |
Ibm |
Record controlled perforating machine
|
US2768691A
(en)
*
|
1952-05-23 |
1956-10-30 |
Cooper |
Reproducing punch
|
US2751985A
(en)
*
|
1952-12-05 |
1956-06-26 |
Sperry Rand Corp |
Field selection mechanism for record controlled machines
|
US2771137A
(en)
*
|
1953-04-30 |
1956-11-20 |
Ibm |
Record controlled punch with provision for serial numbering
|
US2889110A
(en)
*
|
1953-06-19 |
1959-06-02 |
Ibm |
Bill feeding and piercing devices
|
BE532427A
(en)
*
|
1953-10-09 |
|
|
|
US2775298A
(en)
*
|
1953-11-17 |
1956-12-25 |
Ibm |
Ledger posting machine
|
US2888077A
(en)
*
|
1954-04-13 |
1959-05-26 |
Ibm |
Interspersed gang punch device
|
US2793695A
(en)
*
|
1954-10-14 |
1957-05-28 |
Ibm |
Record punching machine
|
US3070366A
(en)
*
|
1957-01-04 |
1962-12-25 |
William F Huck |
Record processing machine
|
US2902005A
(en)
*
|
1957-05-23 |
1959-09-01 |
Ibm |
Hydraulic control for intermittent starting and stopping of a hydraulic motor
|
DE1139674B
(en)
*
|
1957-06-29 |
1962-11-15 |
Aritma, narodni podnik, Prag |
Punch card duplicating machine.
|
US3001693A
(en)
*
|
1957-07-25 |
1961-09-26 |
Parsons Corp |
Data handling system
|
BE574298A
(en)
*
|
1957-12-30 |
|
|
|
US3509323A
(en)
*
|
1962-05-17 |
1970-04-28 |
Houdaille Industries Inc |
Tape control device
|