Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5143804 | Battery assembly | Donald Thompson | 1992-09-01 |
| 4620111 | Auxiliary portable power supply | Glenn W. Merry | 1986-10-28 |
| 4547438 | Battery assembly | Roger W. Kelm | 1985-10-15 |
| 4535036 | Multi-cell power supply | Roger W. Kelm, Glenn W. Merry | 1985-08-13 |