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 has initiated a patent infringement lawsuit in the United States District Court for the Eastern District of Pennsylvania against Sefac USA Inc. (Sefac USA), a wholly owned subsidiary of Sefac S.A., a French corporation. Gray is taking this action for SefacUSA’s infringement of multiple Gray patents, including: U.S. Patent No.
RE41,544, U.S. Patent No. 7,014,012, U.S. Patent No. 9,352,944, and U.S. Patent No. 9,656,843.
In the lawsuit, Gray alleges the defendent, SefacUSA, is making, selling, offering to sell, using,
and/or importing products that infringe Gray’s patents. Gray seeks, among other things, damages
and injunctive relief preventing SefacUSA and its distributors from future conduct that may violate Gray’s numerous patents related to wireless lifting devices.
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