ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,459,095, issued on Nov. 4, was assigned to Zhejiang Chengxing Technology Co. Ltd. (Zhejiang, China).
"Fastener driver" was invented by Shian Ji (Zhejiang, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A fastener driver including a housing, a driving mechanism located in the housing, an emission mechanism, a first guide member and second guide members is provided. The emission mechanism includes a piston, a driver firing pin attached to the piston, a bias mechanism and a jack assembly. The bias mechanism is provided with a first end portion supported in the piston and a second end portion supported by a head portion. The jack assembly is operated b...