Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5374347 | Trivalent chromium solutions for sealing anodized aluminum | Fred Pearlstein | 1994-12-20 |
| 5338432 | Corrosivity sensor | Fred Pearlstein | 1994-08-16 |
| 5310470 | Corrosivity sensor | Fred Pearlstein | 1994-05-10 |