Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE35643 | Lead acid battery rejuvenator and charger | — | 1997-10-28 |
| 5633575 | Battery reclaimer and charger | — | 1997-05-27 |
| 5596974 | Corona generator system for fuel engines | Richard Z. Hall | 1997-01-28 |