|
US3924775A
|
Positively lockable angularly adjustable handle |
Expired / Lapsed
|
1973-06-04 |
1975-12-09 |
13 |
Details
|
|
US3876869A
|
Timing or counting system |
Expired / Lapsed
|
1973-10-31 |
1975-04-08 |
6 |
Details
|
|
US3786350A
|
Linear input ohmmeter |
Expired / Lapsed
|
1972-08-21 |
1974-01-15 |
6 |
Details
|
|
US3749896A
|
Leading zero suppression display system |
Expired / Lapsed
|
1971-09-24 |
1973-07-31 |
10 |
Details
|