Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5524373 | Floor type advertising apparatus | — | 1996-06-11 |
| 5363579 | Floor type advertising apparatus | — | 1994-11-15 |
| 5353535 | Floor type advertising apparatus | — | 1994-10-11 |
| 5303493 | Floor type advertising apparatus | — | 1994-04-19 |
| 5167087 | Floor type advertising apparatus | — | 1992-12-01 |
| 4967317 | Exit sign | — | 1990-10-30 |
| 4802073 | Lighting level control apparatus for fluorescent lighting installations | — | 1989-01-31 |
| 4577264 | Lighting apparatus and system utilizing miniature incandescent lamps | — | 1986-03-18 |
| 4486689 | Emergency lighting apparatus and systems | David Wayne Davis | 1984-12-04 |
| 4435743 | Edge lighted sign | — | 1984-03-06 |
| 4385343 | Edge lighted devices | — | 1983-05-24 |