Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7541094 | Firepolished quartz parts for use in semiconductor processing | David S. Zuck | 2009-06-02 |
| 5214952 | Calibration for ultra high purity gas analysis | Michael H. Sonricker | 1993-06-01 |