Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7892116 | Baseball training aid | — | 2011-02-22 |
| 6758760 | Golf club swing aiding device | Eugene J. Albertini | 2004-07-06 |
| 6605923 | Uninterrupted power supply | — | 2003-08-12 |
| 5939865 | Rechargeable battery having overcharge protection circuit and method of charging rechargeable battery | Francis D. McGrath | 1999-08-17 |