Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5041547 | Chromogenic substituted 4,7-diazaphthalides | Robert E. Miller | 1991-08-20 |
| 4520379 | Thermally-responsive record material | Kenneth D. Glanz | 1985-05-28 |
| 4334072 | Lactone compounds containing an indolizine radical | William Joshua Becker, Sheldon Farber | 1982-06-08 |
| 4275206 | Lactone compounds containing an indolizine radical | William Joshua Becker, Sheldon Farber | 1981-06-23 |
| 4242513 | Lactone compounds containing a heterocyclic radical | Sheldon Farber, William Joshua Becker | 1980-12-30 |
| 4232887 | Lactone compounds containing an indolizine radical | William Joshua Becker, Sheldon Farber | 1980-11-11 |