Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4855647 | Flashlight with soft turn on control | El-Sayed Megahed, Charles E. Samson | 1989-08-08 |
| 4851756 | Primary-secondary hybrid battery | George R. Menkart, Loring C. Hall, Robert J. Bosben | 1989-07-25 |
| 4833578 | Optical system for generating multiple light beams from a single source | Judy D. Pyle | 1989-05-23 |
| 4803605 | Flashlight with a backup system | El-Sayed Megahed, James U. Neyer, Tor Petterson | 1989-02-07 |