Bar Refrigerator Maker Glastender Accused of Patent Infringement

Restaurant equipment manufacturer Glastender Inc. is accused of selling multi-zone commercial beverage coolers that infringe a patent held by rival bar equipment maker Perlick Corp., according to a federal lawsuit filed in Michigan.

Perlick’s lawsuit, filed in the U.S. District Court for the Eastern District of Michigan, takes aim at at least two of Glastender’s refrigeration models, which provide dual-zone, reach-in beverage coolers with multiple doors. These units, which bars and restaurants use to store beer and wine, infringe Perlick’s patent for a multi-temperature zone refrigeration system with a single compressor system and at least two temperature cooling zones, according ...