Pearlstein; Fred
Patent Applications and Registrations
Patent applications and USPTO patent grants for Pearlstein; Fred.The latest application filed is for "trivalent chromium solutions for sealing anodized aluminum".
- Pearlstein; Fred - Philadelphia PA
| Patent | Date |
|---|---|
| Trivalent chromium solutions for sealing anodized aluminum Grant 5,374,347 - Pearlstein , et al. December 20, 1 | 1994-12-20 |
| Corrosivity sensor Grant 5,338,432 - Agarwala , et al. August 16, 1 | 1994-08-16 |
| Corrosivity sensor Grant 5,310,470 - Agarwala , et al. May 10, 1 | 1994-05-10 |
| Trivalent chromium conversion coatings for aluminum Grant 5,304,257 - Pearlstein , et al. April 19, 1 | 1994-04-19 |
| Phosphate-free spray cleaner for metals Grant 4,093,566 - MacNamara , et al. June 6, 1 | 1978-06-06 |
| Electroless Deposition Of Palladium Alloys Grant 3,754,939 - Pearlstein , et al. August 28, 1 | 1973-08-28 |
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