Gray Manufacturing Company, Inc., (Gray) announces today that it has resolved its multiple patent infringement lawsuits involving SEFAC USA, Inc. and SEFAC S.A. (SEFAC) and a customer of SEFAC related to the wireless mobile column lifts. Pursuant to the agreement, SEFAC has admitted to the validity and enforceability of Gray’s wireless mobile column lift patents, […]
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Gray Manufacturing Issues Second Buyer Beware Statement
Sefac Wireless Lifts Still Part of Ongoing Patent Infringement Suit
Gray Manufacturing Company, Inc., a family owned and operated business in St. Joseph, Missouri, specializing in manufacturing and selling portable lifting equipment for use by professional mechanics and original inventor of wireless mobile column lifts, re-iterates its previously issued “Buyer Beware” notice regarding the purchase of wireless mobile column lifts in the United States sold […]
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Gray Manufacturing Company Inc. Receives Missouri Community College Distinguished Business Award

Gray Manufacturing Company, Inc. located in St. Joseph, Missouri was recently recognized by the Missouri Community College Association (MCCA) for outstanding support of Missouri Community Colleges. Gray Manufacturing received the 2019 Distinguished Business/Industry Award at the statewide MCCA convention held in Kansas City, Missouri. This prominent award is given annually to businesses that go above […]
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, […]
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 […]
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. In […]
Gray Manufacturing Co., Inc. Files Patent Infringement Lawsuit
Gray Manufacturing Company, 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 it filed a patent infringement lawsuit against ARS Global Guiding, Inc., of Pasadena, California, Maxima USA, of Pasadena, California and the Chinese companies of Yantai […]
Gray Launches Company Merchandise Web Store
Gray company merchandise can now be purchased at www.companycasuals.com/GrayManufacturing […]