Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5212409 | Analog-to-digital converter latch circuit | Philip S. Crosby | 1993-05-18 |
| 5121090 | Balun providing dual balanced outputs | Valdis E. Garuts | 1992-06-09 |
| 4980654 | Transmission line transformer | — | 1990-12-25 |
| 4916415 | Balanced, impedance matched, coupling device | Valdis E. Garuts | 1990-04-10 |
| 4835478 | Method and apparatus for acoustic detection of faults in underground cables | Merrill K. Haddon | 1989-05-30 |
| 4697137 | Method of nondestructively establishing an earth gradient for cable fault locating | Merrill K. Haddon | 1987-09-29 |
| 4468807 | Method for analyzing stored image details | — | 1984-08-28 |
| 4371865 | Method for analyzing stored image details | — | 1983-02-01 |
| 4233561 | Automatic impedance matching conduit locator | Merrill K. Haddon | 1980-11-11 |
| 4186378 | Identification system | — | 1980-01-29 |