Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5594522 | Cassette for enclosing a plurality of negative film units | Harry R. Parsons, Robert M. Curry, Jr. | 1997-01-14 |
| 5523812 | Cassette for enclosing a plurality of positive film units | Harry R. Parsons | 1996-06-04 |