Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4876632 | Flashlight with battery life indicator module | Ralph F. Osterhout, Paul L. Howard | 1989-10-24 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4876632 | Flashlight with battery life indicator module | Ralph F. Osterhout, Paul L. Howard | 1989-10-24 |