ALEXANDRIA, Va., June 5 -- United States Patent no. 12,274,457, issued on April 15, was assigned to Howmedica Osteonics Corp. (Mahwah, N.J.).

"Patella resection guide with independent adjustment" was invented by Carlos E. Collazo (Old Greenwich, Conn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A patellar resection guide includes a frame, a first jaw, and a second jaw. The frame includes a first end, at which the first jaw is disposed, and a second end opposed to the first end at which the second jaw is disposed. The guide further includes an arm with a planar surface for guiding a cutting tool. The arm is either or both of rotatable and translatable relative to the frame."

The patent was filed on June 2...