Inventor
ZHENG HANQING
CN4 patents
Patents
4 patentsUS12304051B2May 20, 2025
Power tool
NANJING CHERVON IND CO LTD0 citations57
US12420386B2Sep 23, 2025
Power tool
NANJING CHERVON IND CO LTD0 citations47
US12415261B2Sep 16, 2025
Power tool
NANJING CHERVON IND CO LTD0 citations46
US12365077B2Jul 22, 2025
Electric drill and electric tool
NANJING CHERVON IND CO LTD0 citations44