Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5325263 | Rack and pinion retaining and release device for removable computer components | Richard Singer, Bryan Bolich, David Willheim, Stephen Hobson, Albert Napier | 1994-06-28 |
| D341574 | Computer housing | David Willheim | 1993-11-23 |
| 4736190 | Sheet membrane keyboard and electronic apparatus using same | — | 1988-04-05 |
| 4724605 | Method for making area actuated switch | — | 1988-02-16 |
| D281606 | Portable computerized unit | Michael J. Nuttall, William R. Burnett | 1985-12-03 |
| 4360716 | Area actuated switch array | — | 1982-11-23 |