Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4876632 | Flashlight with battery life indicator module | Ralph F. Osterhout, Paul L. Howard | 1989-10-24 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4876632 | Flashlight with battery life indicator module | Ralph F. Osterhout, Paul L. Howard | 1989-10-24 |