Patents Assigned to HUIZHOU HAOYUNBAO TRADING CO., LTD.
  • Packing box for trash bag
    Patent number: D803677
    Type: Grant
    Filed: July 11, 2016
    Date of Patent: November 28, 2017
    Assignee: HUIZHOU HAOYUNBAO TRADING CO., LTD.
    Inventor: Wei-Hong Yang
  • Packing box for trash bag
    Patent number: D803681
    Type: Grant
    Filed: July 11, 2016
    Date of Patent: November 28, 2017
    Assignee: HUIZHOU HAOYUNBAO TRADING CO., LTD.
    Inventor: Wei-Hong Yang
  • Waste bag fastener
    Patent number: D853069
    Type: Grant
    Filed: April 13, 2017
    Date of Patent: July 2, 2019
    Assignee: HUIZHOU HAOYUNBAO TRADING CO., LTD.
    Inventor: Wei-Hong Yang