Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4910634 | Interlock switch | — | 1990-03-20 |
| 4629976 | Method and circuit for evaluating an analog voltage | — | 1986-12-16 |
| 4432624 | Delay timer for a camera | Joan Stevenson | 1984-02-21 |