Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4857437 | Process for the formation of an image | Christopher P. Banks, Edward Irving | 1989-08-15 |
| 4839253 | Photosensitive and electrodepositable phenolic resin with quinone diazide sulfonyloxy group | Edward Irving | 1989-06-13 |