Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4756988 | Multilayer dry-film negative-acting photoresist | William L. Kausch | 1988-07-12 |
| 4672020 | Multilayer dry-film positive-acting o-quinone diazide photoresist with integral laminable layer, photoresist layer, and strippable carrier layer | Peter M. Koelsch | 1987-06-09 |
| 4621019 | Non-photosensitive transfer resist | — | 1986-11-04 |
| 4571374 | Multilayer dry-film positive-acting laminable photoresist with two photoresist layers wherein one layer includes thermal adhesive | — | 1986-02-18 |
| 4247616 | Positive-acting photoresist composition | Richard M. Presley | 1981-01-27 |