Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7230387 | Electroluminescent device including a programmable pattern generator | Harold Feldman | 2007-06-12 |
| 6977471 | Electroluminescent device | Harold Feldman | 2005-12-20 |
| 5917288 | Sound responsive electroluminescent visual display | Harold Feldman | 1999-06-29 |