Gray Manufacturing Co., Inc. Files Canadian Patent Infringement Lawsuit

Gray Manufacturing Co., Inc., a family owned and operated business in St. Joseph, Missouri, specializing in manufacturing and selling portable lifting equipment for use by professional mechanics, announced today that earlier this year it initiated a patent infringement claim in federal court in Canada against Service De Freins Montreal Ltd., Montreal Brakes Services Ltd. ┬áIn the claim, Gray Manufacturing alleges, among other things, that the defendant violated Gray’s Canadian patent related to wireless lifting devices.

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