Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4504570 | Direct reversal emulsions and photographic elements useful in image transfer film units | Francis J. Evans, Richard L. Daubendiek | 1985-03-12 |
| 4269914 | Ultrasonographic elements containing multiple layers and processes for their use | Robert E. Bacon, Robert Bernard Rosenfeld | 1981-05-26 |