Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5721564 | Electromagnetically operated linearly sliding shutter for a variable display | — | 1998-02-24 |
| 5036248 | Light emitting diode clusters for display signs | Vince McEwan | 1991-07-30 |