Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6160495 | Device for presenting multiple illuminated messages and a method for making same | Lon A. Demink | 2000-12-12 |
| 5917622 | Light device with holographic optics | Lon A. Demink | 1999-06-29 |