| 81 |
Electric pulse communication systems |
US37637153 |
1953-08-25 |
US2852607A |
1958-09-16 |
GORDON TREADWELL CYRIL |
|
| 82 |
Electron discharge apparatus |
US25881951 |
1951-11-29 |
US2810853A |
1957-10-22 |
WILLIAM BECK ARNOLD HUGH |
|
| 83 |
Electric code modulation systems of communication |
US26007451 |
1951-12-05 |
US2783305A |
1957-02-26 |
WILLIAM EARP CHARLES |
|
| 84 |
adkisson |
US2735084D |
|
US2735084A |
1956-02-14 |
|
|
| 85 |
Means for detecting and/or generating pulses |
US34180253 |
1953-03-11 |
US2718621A |
1955-09-20 |
BERTIL HAARD HANS; GUNNAR SVALA CARL |
|
| 86 |
Pulse communication system |
US68370246 |
1946-07-15 |
US2698896A |
1955-01-04 |
HERRE RINIA |
|
| 87 |
Multiplex radiophone communication system |
US68185746 |
1946-07-08 |
US2649540A |
1953-08-18 |
HOMRIGHOUS JOHN H |
|
| 88 |
Pulsed radio signaling |
US60223445 |
1945-06-29 |
US2614210A |
1952-10-14 |
PURINGTON ELLISON S |
|
| 89 |
Signal translating arrangement |
US73528647 |
1947-03-18 |
US2609496A |
1952-09-02 |
WHEELER HAROLD A |
|
| 90 |
Automatic gain control system |
US63582345 |
1945-12-18 |
US2608651A |
1952-08-26 |
EMMETT JR ROBERT A |
|
| 91 |
Interference reducing radio |
US23440D |
|
USRE23440E |
1951-12-18 |
|
|
| 92 |
Pulse multiplex signaling system |
US67999946 |
1946-06-28 |
US2546974A |
1951-04-03 |
KUMAR CHATTERJEA PRAFULLA; MIN AMBROSE DERMOT |
|
| 93 |
Single carrier, sound and color vision pulse system |
US61896645 |
1945-09-27 |
US2539440A |
1951-01-30 |
EMILE LABIN; GRIEG DONALD D; YOUNG JR NORMAN H |
|
| 94 |
Modulation-on-pulse control system |
US58499745 |
1945-03-26 |
US2538017A |
1951-01-16 |
KRAUSE ERNST H; HOEPPNER CONRAD H |
|
| 95 |
Circuit for converting a voltage of given shape into a voltage of different shape |
US71168946 |
1946-11-22 |
US2500863A |
1950-03-14 |
KLAAS POSTHUMUS |
|
| 96 |
Pulse synthesizing system |
US63602345 |
1945-12-19 |
US2483411A |
1949-10-04 |
GRIEG DONALD D |
|
| 97 |
Pulse code-signaling system |
US33531540 |
1940-05-15 |
US2471413A |
1949-05-31 |
CLEETON CLAUD E |
|
| 98 |
Communication system |
US59675245 |
1945-05-30 |
US2466467A |
1949-04-05 |
MUMMA ROBERT E; BUCHER FRANCIS X |
|
| 99 |
Communication system |
US52302544 |
1944-02-19 |
US2462613A |
1949-02-22 |
DESCH JOSEPH R; GULDEN ERNEST V; MUMMA ROBERT E |
|
| 100 |
Electron discharge apparatus |
US71590046 |
1946-12-13 |
US2458652A |
1949-01-11 |
SEARS RAYMOND W |
|
