Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5669019 | Waterproof large capacity film magazine | Richard D. Balentine | 1997-09-16 |
| 5307837 | Water valve apparatus | Christopher K. Wynkoop | 1994-05-03 |
| 5258794 | Extended capacity film magazine | Richard D. Balentine | 1993-11-02 |
| 5230365 | Water valve apparatus | Christopher K. Wynkoop | 1993-07-27 |
| 4602857 | Panoramic motion picture camera and method | Thomas E. Brentnall | 1986-07-29 |