Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6107744 | Back-up electrical systems | Joseph S. Russo | 2000-08-22 |
| 5734229 | Back-up electrical system for portable table lamps | Joseph S. Russo | 1998-03-31 |
| 5416384 | Back-up lighting system | — | 1995-05-16 |
| 4977351 | Emergency lighting system | Frank M. Nigh | 1990-12-11 |
| 4727291 | Back-up electrical system for lamps | — | 1988-02-23 |