ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,528,172, issued on Jan. 20, was assigned to BIB CREATIVE Co. LTD. (Changhua County, Taiwan).
"Cartridge tool set" was invented by Tomonari Ichikawa (Xiushui Township, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A cartridge tool set comprising a body having a joint portion at each end of the body, the joint portion having a screw hole axially recessed on the end face of the joint portion, the screw hole having a screw surface formed on the inner surface of the screw hole; and a tool portion detachably connected to a tool member."
The patent was filed on Dec. 13, 2022, under Application No. 18/080,133.
*For further information, including image...