Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4350578 | Cathode for etching | Rudolf G. Frieser, William H. Ma, Bryant N. Zingerman | 1982-09-21 |
| 4335506 | Method of forming aluminum/copper alloy conductors | George T. Chiu, Robert R. Joseph | 1982-06-22 |
| 4229247 | Glow discharge etching process for chromium | George T. Chiu, James R. Kitcher, Bryant N. Zingerman | 1980-10-21 |
| 4203800 | Reactive ion etching process for metals | James R. Kitcher, Bryant N. Zingerman | 1980-05-20 |