ALEXANDRIA, Va., March 19 -- United States Patent no. 12,253,104, issued on March 18, was assigned to PRIMESOURCE CONSULTING LLC (Herriman, Utah).
"Reaction washer" was invented by John Davis (Herriman, Utah).
According to the abstract* released by the U.S. Patent & Trademark Office: "A reaction washer can include a castellated portion circumferentially disposed around a perimeter of the reaction washer and a main body portion defining an inner diameter that slidingly receives an associated threaded element therethrough. The castellated portion can include a plurality of castellations that cooperate to define an outer diameter of the reaction washer. Further, the main body can include a first side and a second side that face in opposite d...