ALEXANDRIA, Va., March 5 -- United States Patent no. 12,239,101, issued on March 4.

"Pet grooming device with scissoring action between a linkage arm and tines" was invented by Brian Schultz (Oceanside, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention may comprise a grooming and dematting tool with a housing, a plurality of tines extending outward from the housing, each tine linked with a linkage arm, each linkage arm independently activated by a crankshaft to urge the distal ends of each tine back and forth, up, and down, or in other translational or extending movement pattern. The tines urge hair or fur of a pet to untangle or remove knots, snags, matting, and imperfections in th...