Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11530543 | Functional ergonomic cinemas | Richard E. Daughtridge | 2022-12-20 |
| 5424927 | Electro-optic flashlight electro-optically controlling the emitted light | David R. Schaller, El-Sayed Megahed | 1995-06-13 |
| 5077644 | Reflector for hand held flashlight | David R. Schaller, El-Sayed Megahed, Tor Pettersen | 1991-12-31 |
| D320463 | Multipurpose flashlight | Tor Pettersen, David R. Schaller | 1991-10-01 |