Gray Manufacturing Brings Patent Infringement Suit Against Purchaser of SEFAC SW3 Wireless Mobile Column Lifts

Gray Manufacturing Company, Inc., (Gray) announced today that it initiated a patent infringement suit in federal court in Virginia against the Ashburn Volunteer Fire and Rescue Department. In the suit, Gray alleges that the Ashburn Volunteer Fire and Rescue Department violated Gray’s recently issued patent, U.S. Patent No. 10,457,536 B2 covering wireless mobile column lifts, […]

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Canadian Distributor Agrees SEFAC Wireless Mobile Column Lifts Violate Gray Patent And Settles With Gray Manufacturing

Gray Manufacturing Company, Inc., (Gray) announced today a settlement agreement with Service De Freins Montréal Ltée., also known as Montréal Brakes Services Ltd. (Freno). As part of the agreement, Service De Freins admitted that the SEFAC wireless mobile column lifts it sold violate Gray’s Canadian Patent No. 2,406,340 covering Gray’s coordinated wireless lift system. Service […]

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