Patents Assigned to KINGDA ELECTRONICS TOOL CO., LTD
  • Smoke extractor
    Patent number: D1021030
    Type: Grant
    Filed: November 1, 2022
    Date of Patent: April 2, 2024
    Assignee: KINGDA ELECTRONICS TOOL CO., LTD
    Inventors: Boxiong Cai, Yuhuan Lin, Dengming Cai