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Patent applications and USPTO patent grants for Staniunas; Richard F..The latest application filed is for "method for recovering catalytic metals using a porous metal filter".
Patent | Date |
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Method for recovering catalytic metals Grant 6,797,033 - Doubrava , et al. September 28, 2 | 2004-09-28 |
Method for recovering catalytic metals using a porous metal filter Grant 6,773,485 - Doubrava , et al. August 10, 2 | 2004-08-10 |
Method for recovering catalytic metals using a porous metal filter App 20040003681 - Doubrava, Jeffrey ;   et al. | 2004-01-08 |
Method for recovering catalytic metals App 20030209106 - Doubrava, Jeffrey ;   et al. | 2003-11-13 |
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