Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5452038 | Driver device for opening light shield of film cassette biases light shield closed | Douglas M. Csaszar | 1995-09-19 |
| 5305042 | Film cassette | John J. Niedospial, Jr., Christopher T. Mattson, Russell J. Butler | 1994-04-19 |
| 5295578 | Single-piece protective package for a film cassette | John J. Neidospial, Jr., Mark D. Fraser | 1994-03-22 |
| 5295635 | Spool to film attachment | John J. Niedospial, Jr., Russell J. Butler | 1994-03-22 |
| 5151730 | Film cassette | David B. Kemp, Mark D. Fraser | 1992-09-29 |
| 5083720 | Film cassette with cooperating stripper and light-lock | John J. Niedospial, Jr., Mark D. Fraser | 1992-01-28 |
| 5046680 | Film cassette | John J. Niedospial, Jr. | 1991-09-10 |
| 5031852 | Film-thrusting cassette | Edward H. Dowling, Russell J. Butler | 1991-07-16 |