Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D319031 | Tactile annunciator for alerting persons with or without hearing impairments | — | 1991-08-13 |
| 4323642 | Stable photographic developers containing an indazole antifoggant and a lignosulfonate | — | 1982-04-06 |
| 4201590 | Heat sensitive reactive products of hexaarylbiimidazole and antihalation dyes | Anthony Adin | 1980-05-06 |
| 4196002 | Photothermographic element containing heat sensitive dye materials | Anthony Adin | 1980-04-01 |