ALEXANDRIA, Va., March 26 -- United States Patent no. 12,256,815, issued on March 25, was assigned to Empire Casting House Inc. (New York).
"Rotating jewelry closure" was invented by John Kocak (Cliffside Park, N.J.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A jewelry item has a first side including a first and second end with a stem and locking notch and a second side including a third and fourth end with a mounting stem and ball joint. The second end of the first side is connected to the fourth end of the second side. A closure has a collar rotatably connected to a rotatable connection element. The collar is connected to the third end and located between the third end and the rotatable connection eleme...