Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D323322 | Computer monitor visor | Benjamin P. Cress | 1992-01-21 |
| 4920033 | Rotatable disk teaching apparatus | — | 1990-04-24 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D323322 | Computer monitor visor | Benjamin P. Cress | 1992-01-21 |
| 4920033 | Rotatable disk teaching apparatus | — | 1990-04-24 |