ALEXANDRIA, Va., June 6 -- United States Patent no. 12,279,719, issued on April 22, was assigned to Tsann Kuen (Zhangzhou) Enterprise Co. Ltd. (Zhangzhou, China).
"Food grinder" was invented by Wenxia Zhang (Fujian, China) and Mingli Chen (Fujian, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A food grinder includes a grip mechanism having a flip cover body pivotally connected to a handle body, a cylindrical cutter set detachably mounted in the handle body, and a driving mechanism mounted in the grip mechanism. The grip mechanism includes first and second switch units electrically connected in series between a driving unit and a power supply unit. When the first switch unit is manually actuated to tur...