ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,496,689, issued on Dec. 16.
"Tool for installation and removal of retention knobs" was invented by George R Anex (Ollala, Wash.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A retention knob tool. A tubular body is held in a tubular sleeve, and symmetrically formed around an axis. The tubular body also has an internal bore. Four locking ball retainer sockets are formed in the tubular body. A retention knob aperture is recessed within a top plate. Four balls are movably held in the ball retainer sockets. A tubular end stop is affixed to the tubular body rearward end. A drive tool cavity is recessed within the tubular body rearward end. The sleeve forwar...