D21D 1/28

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Patent/Pub #TitleFiling DateIssue/Publication DatePatent Owner
2024/0368,835 GRINDING METHOD AND GRINDING MEDIUMApr 29, 24Nov 07, 24Not available
2024/0295,075 REFINER PLATE TO PREVENT GROOVES PLUGGINGJan 10, 24Sep 05, 24Andritz, Inc.
2021/0010,201 METHOD FOR PRODUCING MICROSCALE AND/OR NANOSCALE FIBER MATERIALApr 05, 18Jan 14, 21Weidmann Holding AG