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Patent applications and USPTO patent grants for Gehrig; Heinz.The latest application filed is for "molding material containing fillers".
Patent | Date |
---|---|
Molding material containing fillers Grant 4,997,703 - Gehrig March 5, 1 | 1991-03-05 |
Production of mixtures of plastics materials Grant 3,937,772 - Urban , et al. February 10, 1 | 1976-02-10 |
Non-woven webs of filaments of synthetic high molecular weight polymers and process for the manufacture thereof Grant 3,929,542 - Gehrig , et al. December 30, 1 | 1975-12-30 |
Process For The Manufacture Of Substantially Spherical, Silica-containing Hydrogels Grant 3,872,217 - Merz , et al. March 18, 1 | 1975-03-18 |
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