Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5181745 | Printed image creating the perception of depth | Gary Jacobsen | 1993-01-26 |
| 5152090 | Pivotless wheel indicia display device | — | 1992-10-06 |
| 4958455 | Pivotless wheel indicia display device | — | 1990-09-25 |