Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D333829 | Cover for an overhead projector | James E. Nash | 1993-03-09 |
| 5135301 | Reflective overhead projector with alternate light sources | John F. Dreyer, Jr. | 1992-08-04 |
| 4978218 | Folding arm for overhead projector | Robert S. Carpenter, Ernesto M. Rodriguez, Jr. | 1990-12-18 |