Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5157371 | Potentiometer retention mechanism and method of mounting | Arman E. Sundquist, Donald R. Hagen | 1992-10-20 |
| 5014037 | Potentiometer mounting mechanism | — | 1991-05-07 |
| 4835833 | Method of mounting a potentiometer | — | 1989-06-06 |
| 4649366 | Trimmer control mounted in potentiometer knob | — | 1987-03-10 |
| 4329676 | Potentiometer | Donald R. Hagen | 1982-05-11 |