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Patent applications and USPTO patent grants for Gebhardt; Knuth.The latest application filed is for "agglomerate abrasive grain comprising incorporated hollow microspheres".
Patent | Date |
---|---|
Agglomerate abrasive grain comprising incorporated hollow microspheres Grant 10,323,165 - Gebhardt , et al. | 2019-06-18 |
Abrasive grain agglomerates, process for the production thereof and the use thereof for producing abrasives Grant 9,102,858 - Gebhardt August 11, 2 | 2015-08-11 |
Abrasive grains based on zirconia alumina Grant 9,005,323 - Gebhardt April 14, 2 | 2015-04-14 |
Agglomerate Abrasive Grain Comprising Incorporated Hollow Microspheres App 20150052824 - Gebhardt; Knuth ;   et al. | 2015-02-26 |
Coated abrasive grains, method and for the production thereof as well as the use thereof for producing abrasives Grant 8,864,862 - Gebhardt October 21, 2 | 2014-10-21 |
Abrasive Grain Agglomerates, Process For The Production Thereof And The Use Thereof For Producing Abrasives App 20110183142 - Gebhardt; Knuth | 2011-07-28 |
Coated abrasive grains, method and for the production thereof as well as the use thereof for producing abrasives App 20090100766 - Gebhardt; Knuth | 2009-04-23 |
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