ALEXANDRIA, Va., July 7 -- United States Patent no. 12,673,438, issued on July 7, was assigned to WAHL CLIPPER Corp. (Sterling, Ill.).

"Bladeset for a hair cutting apparatus with tapered teeth" was invented by Sam Xueyi Zhang (Sterling, Ill.) and Jason William Wagner (Sterling, Ill.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A bladeset is operationally connected to a hair clipper and includes a stationary blade and a moving blade configured for reciprocating laterally relative to the stationary blade. At least one of the stationary blade and the moving blade includes a base and a plurality of teeth extending from the base. The plurality of teeth includes a set of long teeth, each of the long teeth having...