Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10851758 | Hydrokinetic transport wheel mount | — | 2020-12-01 |
| 9593665 | Hydro-kinetic transport wheel | — | 2017-03-14 |
| 5669692 | Fiber optic lighting system | Harold Thorgersen, Andrew C. Ledesma, Surendar Bhan, Lyman R. Daigle | 1997-09-23 |
| 5620348 | Method of manufacturing electroluminescent lamps having surface designs and lamps produced thereby | Harold Thorgersen, John Dixon, Andrew C. Ledesma | 1997-04-15 |
| 5524101 | Motion controlled clock with alarm and flashlight features | Harold Thorgersen, Bruce H. Kamens, John T. Houlihan | 1996-06-04 |
| 5513153 | Method of manufacturing three-dimensional indicia on electroluminescent timepiece dials and timepiece dials produced thereby | Harold Thorgersen | 1996-04-30 |