Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4859820 | Quiet key switch | Casimer Gotfryd, Hartland P. Klotz, Robert M. Wentzel | 1989-08-22 |
SK
Stephen L. Kay
Overall (All Time): #3,935,960 of 4,157,543Top 95%
1
Patents All Time