Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5674665 | Low contrast film | John F. Sawyer, Michael P. Keyes, John C. Brewer, John Tyler Keech | 1997-10-07 |
| 5536629 | Chromogenic black-and-white motion picture film | Gary N. Barber, Patricia R. Greco, Mitchell J. Bogdanowicz | 1996-07-16 |
| 5491053 | Chromogenic black-and-white motion picture film | Gary N. Barber, Patricia R. Greco, Mitchell J. Bogdanowicz | 1996-02-13 |