Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6337541 | Electroluminescent lighting device | Robert G. Dickie, David Johan Van Tuyl | 2002-01-08 |
| 5818426 | Peripheral-computer interfacing system and method | David Johan Van Tuyl | 1998-10-06 |