Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE35614 | Process for improved quality of CVD copper films | John Anthony Thomas Norman, David A. Roberts | 1997-09-23 |
| 5626775 | Plasma etch with trifluoroacetic acid and derivatives | David A. Roberts, Raymond Nicholas Vrtis, Robert G. Bryant, John Giles Langan | 1997-05-06 |