Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6579656 | Half esters of isobutylene/maleic anhydride copolymer as attenuators of photographic film development | William L. Grimm | 2003-06-17 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6579656 | Half esters of isobutylene/maleic anhydride copolymer as attenuators of photographic film development | William L. Grimm | 2003-06-17 |