Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6832947 | CMP pad with composite transparent window | — | 2004-12-21 |
| 4432595 | Optical element for photographic radiometer | — | 1984-02-21 |
| 4335959 | Optical element for photographic radiometer | — | 1982-06-22 |
| 4299468 | Photoelectric radiometer for photographic apparatus | William T. Plummer | 1981-11-10 |