ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,781,779, issued on Nov. 3, was assigned to RANIT-BEFESTIGUNGSSYSTEME GMBH (Herten, Germany).
"Fastening system for mounting plate-shaped elements" was invented by Roger Giertulla (Herne, Germany) and Bernd Grawe (Herten, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A fastening system for mounting plate-shaped elements on a surface of a support includes a fastener designed to anchor the fastening system in the support, at least two sleeves arranged behind the fastener in an anchoring direction, and a releasable connection connecting each adjacent pair of sleeves of the at least two sleeves, each of the at least two sleeves having wall openings. ...