Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4952761 | Touch contact switch | — | 1990-08-28 |
| 4768230 | Housing for a hand-held remote control transmitter | Alfred Vogt | 1988-08-30 |
| 4493959 | Keyboard with improved key design permitting tilting about either side | — | 1985-01-15 |