|
US3335386A
|
Locking device for printed circuit modules |
Expired / Lapsed
|
1964-11-19 |
1967-08-08 |
2 |
Details
|
|
US3293606A
|
Pulse code detector having a delay line for detecting pulse… |
Expired / Lapsed
|
1963-04-11 |
1966-12-20 |
2 |
Details
|
|
US3192507A
|
Remote control system |
Expired / Lapsed
|
1961-09-11 |
1965-06-29 |
2 |
Details
|
|
US2737785A
|
Refrigerator evaporator |
Expired / Lapsed
|
1951-10-09 |
1956-03-13 |
0 |
Details
|
|
US2589551A
|
Two-temperature refrigerator |
Expired / Lapsed
|
1950-06-16 |
1952-03-18 |
0 |
Details
|