Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4470675 | Random access control apparatus and method for slide projector | Robert R. Parker | 1984-09-11 |
| 4452518 | Slide projector control apparatus | Robert R. Parker | 1984-06-05 |