ALEXANDRIA, Va., June 4 -- United States Patent no. 12,317,975, issued on June 3, was assigned to GUINNOT BV (Nijlen, Belgium).
"Earring or brooch back" was invented by Giovanni Daems (Nijlen, Belgium).
According to the abstract* released by the U.S. Patent & Trademark Office: "An earring or brooch back for receiving a post includes a housing having a bottom shell and a top shell. The bottom shell and the top shell are provided with mutually aligned openings for forming a passage for the post. A first and a second pressing element are positioned between the bottom shell and the top shell, and the first pressing element is provided with a first stop for the post and a first protruding part which protrudes from the housing. The passage lies...