Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5658721 | Stabilized vinyl sulfone hardening compositions useful in photographic manufacturing | Mary Jane Griggs, Lewis R. Hamilton, Peter Marr | 1997-08-19 |
| 5514535 | Stabilized vinyl sulfone hardening compositions useful in photographic manufacturing | Lewis R. Hamilton, Peter Marr, Kristine F. Ohman | 1996-05-07 |