Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4358525 | Blocked photographically useful compounds and photographic compositions, elements and processes employing them | William C. Archie, Jr. | 1982-11-09 |
| 4310612 | Blocked photographically useful compounds in photographic compositions, elements and processes employing them | William C. Archie, Jr. | 1982-01-12 |