Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4405406 | Plasma etching process and apparatus | John Edward Sheppard | 1983-09-20 |
| 4384919 | Method of making x-ray masks | — | 1983-05-24 |
| 4291091 | Bubble memory optimization by adjusting properties of quartz film | Barry F. Stein, Herman E. Wetterskog | 1981-09-22 |
| 4272347 | Bubble memory optimization by adjusting properties of quartz film | Barry F. Stein, Herman E. Wetterskog | 1981-06-09 |