Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4407891 | Low temperature reduction process for large photomasks | — | 1983-10-04 |
| 4406682 | Method of operating a float glass forming chamber to reduce drippage | — | 1983-09-27 |
| 4390592 | Low temperature reduction process for photomasks | — | 1983-06-28 |
| RE31220 | Electromigration method for making stained glass photomasks | — | 1983-04-26 |
| 4309495 | Method for making stained glass photomasks from photographic emulsion | — | 1982-01-05 |
| 4285988 | Stained glass photomasks and method of making by electrodealkalization | — | 1981-08-25 |
| 4286052 | Method for making stained glass photomasks using stabilized glass | — | 1981-08-25 |