Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5635036 | Collimated deposition apparatus and method | R. Ernest Demaray, Vance E. Hoffman, Jr., John C. Helmer, Ronald R. Cochran | 1997-06-03 |
| 5330628 | Collimated deposition apparatus and method | R. Ernest Demaray, Vance E. Hoffman, Jr., John C. Helmer, Ronald R. Cochran | 1994-07-19 |
| 5252194 | Rotating sputtering apparatus for selected erosion | Richard E. Demaray, John C. Helmer, Robert L. Anderson, Ronald R. Cochran, Vance E. Hoffman, Jr. | 1993-10-12 |