Issued Patents All Time
Showing 26–37 of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D328862 | Film package or similar article | Ronald A. Janssen, Gaylynn F. Ingram, Evan Hutchison, Edgar G. Earnhart | 1992-08-25 |
| 5105604 | Method for light-tightly enclosing a photosensitive web roll | Julie D. Stone, Thomas C. Healey, Paul J. Szwejbka | 1992-04-21 |
| 5031786 | Tamper-evident package | Gaylynn F. Ingram, Evan Hutchison, Edgar G. Earnhart | 1991-07-16 |
| 4979351 | Packaging method | Ronald A. Janssen, Evan Hutchison, Gaylynn F. Ingram | 1990-12-25 |
| 4978084 | Spool for photographic film or other web material | Joel R. Shaw | 1990-12-18 |
| 4852821 | Spool for web-shaped film | Randy E. Armbruster, Michael Decker, Bradley A. Phillips | 1989-08-01 |
| 4780784 | Record disk cartridge-shutter combination | Roger G. Covington | 1988-10-25 |
| 4761698 | Disk cassette loading/unloading mechanism with flexible shutter opening device | James D. Harney, Thomas D. Jensen | 1988-08-02 |
| 4752847 | Storage disk drive mechanism | Roger G. Covington | 1988-06-21 |
| 4660105 | Cassette recording or non-recording indicating mechanism | Roger G. Covington, David E. Foeller | 1987-04-21 |
| 4654742 | Disk cassette pressure spring mechanism | Roger G. Covington | 1987-03-31 |
| 4336961 | Latch for a cassette | — | 1982-06-29 |