US Patent Issued to SEMBLEX on Sept. 23 for "Sealing head design for self-penetrating and hole forming fasteners" (Illinois, Michigan Inventors)

ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,421,991, issued on Sept. 23, was assigned to SEMBLEX Corp. (Elmhurst, Ill.).

"Sealing head design for self-penetrating and hole forming fasteners" was invented by Stephen Crockett (Bartlett, Ill.), Brandt J. Ruszkiewicz (Glendale Heights, Ill.), Eric C. Breidenbaugh (Huntley, Ill.), John Grimsby (Carol Stream, Ill.) and Chris Norton (Cheboygan, Mich.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A fastener including an elongated shaft extending between first and second shaft ends, with a tip provided at the first shaft end, and a thread region provided between the tip and the second shaft end; and a head with a drive region arranged at the second shaf...