Maker of High Precision Surface Finishing Machines MOUNT PROSPECT, Ill.–(BUSINESS WIRE)–Bison Capital Partners VI, LP (“Bison Capital”), Angeles Equity Partners, LLC (“Angeles”), and Brian Nelson have acquired Lapmaster Parent, LLC (“Precision Surfacing Solutions” (or “PSS”), a leading producer of high precision equipment and accessories for slicing, lapping, grinding, and polishing a engineered materials including metals, […] October 22, 2022