ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,728,555, issued on Sept. 8, was assigned to Greenworks (Jiangsu) Co. Ltd. (Changzhou, China).

"Handheld power tool" was invented by Dong Zhao (Changzhou, China), Duoduo Sha (Changzhou, China), Lingao Zhang (Changzhou, China), Stefan La (Jonkoping, Sweden), Andreas Carlsson (Skovde, Sweden), Ola Agne (Taberg, Sweden), Thomas Arnell (Huskvarna, Sweden) and Goran Vucic (Jonkoping, Sweden).

According to the abstract* released by the U.S. Patent & Trademark Office: "The disclosure provides a handheld power tool, which at least includes a housing assembly, a handle assembly and a switch assembly. The switch assembly includes a button assembly and a push-pull assembly. When the push-pull as...