3m prevails in patent infringement action against qingdao sisa abrasives co., ltd.

St. paul, minn., feb. 25, 2021 /prnewswire/ -- the intermediate people's court of zhengzhou, china has ordered that the bca-t (blue ceramic abrasive triangle) abrasive grain made by qingdao sisa abrasives co., ltd. infringes 3m's chinese patents zl200980155621.4 and zl201080026268.2....
MMM Ratings Summary
MMM Quant Ranking