Issued Patents All Time
Showing 26–30 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4833026 | Breathable, waterproof sheet materials and methods for making the same | — | 1989-05-23 |
| 4756988 | Multilayer dry-film negative-acting photoresist | John P. Vikesland | 1988-07-12 |
| 4544622 | Negative-acting photoresist imaging system | — | 1985-10-01 |
| 4507382 | Water developable positive acting lithographic printing plate | Alan D. Rousseau, Elsie A. Fohrenkamm | 1985-03-26 |
| 4476215 | Negative-acting photoresist composition | — | 1984-10-09 |