Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6562549 | Method of manufacturing photomasks by plasma etching with resist stripped | Rick Zemen | 2003-05-13 |
| 6406818 | Method of manufacturing photomasks by plasma etching with resist stripped | Rick Zemen | 2002-06-18 |