Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5689999 | Adjustable rotary locking and unlocking apparatus | Dwight S. Gay, Michael J. Larkin | 1997-11-25 |
| 5640078 | Method and apparatus for automatically switching and charging multiple batteries | Abraham H. Kou | 1997-06-17 |