Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5597028 | Fabric device for covering vehicle opening | Devon A. Rolf, Leland Wong | 1997-01-28 |
| 5555536 | Device for playing recorded audio at a selected time | Devon A. Rolf | 1996-09-10 |