Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4793601 | Key spring | Peter Wild, Werner Frey, Karl Iseli | 1988-12-27 |
| 4791257 | Key element for a contactless keyboard | Werner Frey, Karl Iseli, Peter Wild | 1988-12-13 |
| 4483634 | Keyboard arrangement | Werner Frey, Hans Diem | 1984-11-20 |
| 4398180 | Contactless keyboard | Werner Frey, Hans Diem | 1983-08-09 |