Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8084705 | Quartz guard ring centering features | Dean J. Larson, Daniel Arthur Brown, Keith Comendant | 2011-12-27 |
| 7875824 | Quartz guard ring centering features | Dean J. Larson, Daniel Arthur Brown, Keith Comendant | 2011-01-25 |