Issued Patents All Time
Showing 26–35 of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5120633 | Resist material for use in thick film resists | Gwendyline Y. Y. Chen, Walter R. Hertler, Robert Clayton Wheland | 1992-06-09 |
| 5120629 | Positive-working photosensitive electrostatic master | Catherine T. Chang | 1992-06-09 |
| 5077174 | Positive working dry film element having a layer of resist composition | Gwendyline Y. Y. Chen, Walter R. Hertler, Robert Clayton Wheland | 1991-12-31 |
| 4948704 | Process of forming imaged photohardened material | Ursula Annerose Kraska, Manfred Sondergeld | 1990-08-14 |
| 4892802 | Positive working tonable film having a photohardenable layer | Ursula Annerose Kraska, Manfred Sondergeld | 1990-01-09 |
| 4849322 | Positive-working color proofing film and process | John G. Buzzell, Rusty Koenigkramer | 1989-07-18 |
| 4740279 | Process and apparatus for producing high-purity lithium metal by fused-salt electrolysis | Jurgen Muller, Bernd Sermond, Eike Dolling | 1988-04-26 |
| 4734356 | Positive-working color proofing film and process | John G. Buzzell, Rusty Koenigkramer | 1988-03-29 |
| 4450738 | Tire splitting apparatus | Myron D. Tupper | 1984-05-29 |
| 4326010 | Additive in a photopolymerizable composition for reducing its adhesion to a support film | — | 1982-04-20 |