ALEXANDRIA, Va., March 26 -- United States Patent no. 12,257,730, issued on March 25, was assigned to HANGZHOU GREAT STAR INDUSTRIAL Co. LTD. (Hangzhou, China).

"Blade-replaceable cutting tool" was invented by Yueming Li (Hangzhou, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A blade-replaceable cutting tool includes: a first handheld portion; a second handheld portion rotatably connected to the first handheld portion; a cutting structure rotatably connected to the first handheld portion, the cutting structure including a blade mounting plate rotatably mounted to the first handheld portion and a blade detachably mounted to the blade mounting plate; and a locking mechanism configured to lock the blade...