Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4817137 | Apparatus for remotely determining hook status conditions | Yechiel Rosenfeld, Jaulin Ding | 1989-03-28 |
| 4264788 | Damped ultrasonic detection unit | John F. Keidel | 1981-04-28 |