Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4876416 | Multiple position rotary switch | Leo R. Frantz, Matthew Koran, Jack J. Becker | 1989-10-24 |
| 4829218 | Direct current adjusting device | — | 1989-05-09 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4876416 | Multiple position rotary switch | Leo R. Frantz, Matthew Koran, Jack J. Becker | 1989-10-24 |
| 4829218 | Direct current adjusting device | — | 1989-05-09 |