Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4537498 | Focal plane adjusted photomask and methods of projecting images onto photosensitized workpiece surfaces | Thomas S. Ellington, IV, Terrence E. Zavecz | 1985-08-27 |
| 4529299 | Interposer element for photomasks in projection printer | Thomas S. Ellington, IV, Terrence E. Zavecz | 1985-07-16 |
| 4499162 | Photomask and method of using same | Thomas S. Ellington, IV, Birol Kuyel | 1985-02-12 |
| 4405701 | Methods of fabricating a photomask | Bruce E. Truax, Laurence Watkins | 1983-09-20 |
| 4373991 | Methods and apparatus for polishing a semiconductor wafer | — | 1983-02-15 |
| 4361643 | Photomask and method of using same | Bruce E. Truax, Laurence Watkins | 1982-11-30 |
| 4256535 | Method of polishing a semiconductor wafer | — | 1981-03-17 |