Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4492443 | Camera mechanism | John E. Spencer, Terrence L. Fisher | 1985-01-08 |
| 4186876 | System powered damper blade assembly for use in an air conditioning system | William E. Clark, Carl C. Herb | 1980-02-05 |