Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D384334 | Electronic component mount | — | 1997-09-30 |
| D384335 | Electronic component mount | — | 1997-09-30 |
| D383443 | Electronic component mount | — | 1997-09-09 |
| 5526526 | Survival radio | Mark S. Clark | 1996-06-11 |
| 5490050 | Emergency strobe light | Mark S. Clark | 1996-02-06 |
| 5235337 | Search and rescue transponder housing | Mark S. Clark | 1993-08-10 |
| 4674599 | High rise fire escape mechanism | — | 1987-06-23 |
| 4567317 | EMI/RFI Protected enclosure | Stephen J. Ehrlich | 1986-01-28 |
| 4379968 | Photo-optical keyboard having light attenuating means | Richard I. Ely | 1983-04-12 |
| 4356613 | Key top for automatic assembly for keyboard apparatus | — | 1982-11-02 |
| 4348122 | Shift lock and position indicating torsion spring activated key switch | Justin O. Balta | 1982-09-07 |
| 4314113 | Keyswitch having contacts mounted on cantilever beams | — | 1982-02-02 |
| 4292517 | Photo-optical keyboard providing tactile feel | — | 1981-09-29 |
| 4292515 | Reconfigurable photo-electric keyboard having removable keys | — | 1981-09-29 |
| 4292516 | Photo-optical keyboard having debris protection | — | 1981-09-29 |
| 4291225 | Molded plastic photo-optical keyboard | — | 1981-09-22 |
| 4278965 | Photo-optical keyboard having n-key rollover | Harry B. Mueller, John Lane | 1981-07-14 |