ALEXANDRIA, Va., March 26 -- United States Patent no. 12,257,728, issued on March 25, was assigned to CUTTWAY PRODUCTS Co. LTD. (Taichung, Taiwan).
"Shaft-locking folding knife" was invented by Henry Wang (Taichung, Taiwan) and Race Wu (Taichung, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a shaft-locking folding knife including: a blade pivotally disposed between two side plates and having a first engaging portion and a second engaging portion, with the side plate each having a slotted hole and a pivotal hole; a telescopic rod unit with one end pivotally disposed between the two pivotal holes of the two side plates and the other end having a bolt disposed between the two slotted holes,...