U.S. federal trademark · Serial No. 72092508 · Reg. No. 0724694
Internally and Externally Threaded Fasteners on the Threaded Surface of which a Plastic Substance is Affixed by Fusing and which, Upon Insertion in a Mating Part, Spreads Over the Threads and Mating Areas Thus Imparting Additional Locking Strength Between the Mating Parts to Resist Loosening Therebetween
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