Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5581313 | Reversing film projection system | Robert H. Gurr | 1996-12-03 |
| 4283766 | Automatic camera control for creating special effects in motion picture photography | R. David Snyder, Robert R. Otto, Lee R. Richardson, David S. Inglish | 1981-08-11 |