ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,521,158, issued on Jan. 13, was assigned to Medos International Sarl (Le Locle, Switzerland).
"Apparatus for driver-specific backout prevention" was invented by Keanan R. Smith (Quincy, Mass.), Joshua Rodriguez (East Providence, R.I.) and Raymond F. Murphy (Attleboro, Mass.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A driver-specific back-out prevention mechanism is disclosed that includes a screw and a body. A first driver can be used for coupling and decoupling the screw with the body, and a second driver can only be used for adjusting the position of the screw in the receiving body. The body includes a cavity for receiving a head of the screw, wi...