Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4534053 | Apparatus for exchanging an intensifying screen and a negative in a film packet | Vaito K. Eloranta, Donald E. Rogers | 1985-08-06 |
| 4510393 | Photo chamber for recording chemical reactivity | William J. Sell, David Halsted Riege | 1985-04-09 |