|
US2598996A
(en)
*
|
1945-05-28 |
1952-06-03 |
Telephone Mfg Co Ltd |
Electric carrier wave signaling system
|
|
US2720612A
(en)
*
|
1945-12-13 |
1955-10-11 |
John L Leonard |
Electronic controller
|
|
US2574618A
(en)
*
|
1947-02-14 |
1951-11-13 |
Photoswitch Inc |
Electronic timing device
|
|
US2567422A
(en)
*
|
1948-01-08 |
1951-09-11 |
Tennessee Coal Iron And Railro |
Sheet counter
|
|
US2533369A
(en)
*
|
1948-09-04 |
1950-12-12 |
Westinghouse Electric Corp |
Electronic sequence timer
|
|
US2619591A
(en)
*
|
1948-09-30 |
1952-11-25 |
Westinghouse Electric Corp |
Low-frequency welding control
|
|
US2597082A
(en)
*
|
1948-11-02 |
1952-05-20 |
Westinghouse Electric Corp |
Reverse plating timer
|
|
US2573360A
(en)
*
|
1948-11-06 |
1951-10-30 |
Robotron Corp |
Electric valve sequenced multifunction timer
|
|
US2555343A
(en)
*
|
1949-02-09 |
1951-06-05 |
Nat Rubber Machinery Co |
Automatic control for tire building machines
|
|
US2611011A
(en)
*
|
1949-02-26 |
1952-09-16 |
Honeywell Regulator Co |
Electrical timing apparatus
|
|
US2677052A
(en)
*
|
1949-03-15 |
1954-04-27 |
Weltronic Co |
Electronic timing device
|
|
US2516422A
(en)
*
|
1949-06-29 |
1950-07-25 |
Robotron Corp |
Control by capacitor discharge blocking
|
|
US2608653A
(en)
*
|
1950-02-25 |
1952-08-26 |
Westinghouse Electric Corp |
Electronic low-energy relay apparatus
|
|
US2616041A
(en)
*
|
1950-03-07 |
1952-10-28 |
Square D Co |
Nonrepeat control circuit
|
|
BE501906A
(pm)
*
|
1950-03-17 |
|
|
|
|
US2668909A
(en)
*
|
1950-04-10 |
1954-02-09 |
|
Exposure timer for x-ray apparatus |
|
US2658141A
(en)
*
|
1951-01-20 |
1953-11-03 |
Jerome J Kurland |
Time delay circuits
|
|
US2638566A
(en)
*
|
1951-02-16 |
1953-05-12 |
Square D Co |
Synchronizing system for electronic tubes
|
|
US2590783A
(en)
*
|
1951-02-28 |
1952-03-25 |
Gen Electric |
Electronic time-delay system
|
|
US2656461A
(en)
*
|
1951-03-10 |
1953-10-20 |
Weltronic Co |
Electrical timing apparatus
|
|
US2723346A
(en)
*
|
1951-04-23 |
1955-11-08 |
Northrop Aircraft Inc |
Delayed switching circuit
|
|
US2610300A
(en)
*
|
1951-08-07 |
1952-09-09 |
Wilson W Walton |
Flow control
|
|
US2767351A
(en)
*
|
1952-04-11 |
1956-10-16 |
Werner A Gieseke |
Electronic control circuit
|
|
US2750873A
(en)
*
|
1952-10-28 |
1956-06-19 |
King Seeley Corp |
Toaster timer
|
|
US2994021A
(en)
*
|
1953-01-19 |
1961-07-25 |
Honeywell Regulator Co |
Servosystem for coupling shafts
|
|
GB764634A
(en)
*
|
1955-02-11 |
1956-12-28 |
British United Shoe Machinery |
Improvements in or relating to presses suitable for use in performing cutting operations on sheet materials
|
|
US3496474A
(en)
*
|
1966-08-08 |
1970-02-17 |
Lloyd S Electronics Intern |
Time delayed cutoff for radios and the like
|