Quanfu Wang

2 Patents

• US118971602024

  Electric Saw Guide Plate Capable of Recycling Lubricating Oil

  HANGZHOU EXCELSIOR & SHARP GARDEN TOOLS CO., Ltd.

  0 cites
• US115544312023

  Electric Chain Saw Assembly

  HANGZHOU EXCELSIOR & SHARP GARDEN TOOLS CO., Ltd.

  0 cites