Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| H532 | Method of chemically polishing fused quartz | — | 1988-10-04 |
| 4626316 | Method of chemically polishing quartz crystal blanks | — | 1986-12-02 |
| 4274907 | Method of chemically polishing a doubly rotated quartz plate | John R. Vig | 1981-06-23 |