ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,544,079, issued on Feb. 10, was assigned to MAKO Surgical Corp. (Weston, Fla.).

"Robotic hand-held surgical instrument systems and methods" was invented by Benjamin VanDyken (Plainwell, Mich.), Phillip Lindeman (Kalamazoo, Mich.), David E. Hershberger (Kalamazoo, Mich.), Dustin James Payne (Kalamazoo, Mich.) and Gregory Daniel Arens (Kalamazoo, Mich.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A system is provided comprising a robotic instrument for use with a tool. In some versions, the robotic instrument comprises a hand-held portion to be held by a user and a tool support movably coupled to the hand-held portion to support the tool. The robotic in...