Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5764599 | Electroluminescent lamp and dial for a timepiece | Harold Thorgersen | 1998-06-09 |
| 5265071 | Electroluminescent watch dial support and connector assembly | Harold Thorgersen, Lyman R. Daigle, Bruce H. Kamens | 1993-11-23 |