Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4868241 | Electron beam and x-ray resists | Laura J. Hiscock, Richard L. Webb | 1989-09-19 |
| 4859369 | Use of water-soluble polymers in aqueous chemical light formulations | William J. Trzaskos | 1989-08-22 |