Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4623957 | Battery powered auxiliary lighting fixture with a timer | Francis G. Marshall | 1986-11-18 |
| 4382220 | Rechargeable battery pack and combination thereof with lantern | Francis G. Marshall | 1983-05-03 |