Patents by Inventor Victor Wai Park Siu

Victor Wai Park Siu has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Adjustable bag holder
    Patent number: 6267334
    Abstract: Existing free-standing bag holders are of fixed width exist, both with and without wheels, for supporting plastic garbage bags, recycling bags etc. However, bag holders of fixed width are not useful for all bags. The present invention provides a bag holder which is adjustable to support large, flexible bags of various widths by adjusting the spacing of vertical support members on a base member.
    Type: Grant
    Filed: September 4, 1998
    Date of Patent: July 31, 2001
    Inventor: Victor Wai Park Siu
  • Keychain ornament
    Patent number: D385414
    Type: Grant
    Filed: August 22, 1996
    Date of Patent: October 28, 1997
    Inventor: Victor Wai Park Siu
  • Bag holder
    Patent number: D398121
    Type: Grant
    Filed: December 22, 1997
    Date of Patent: September 8, 1998
    Inventor: Victor Wai Park Siu
  • Bag holder
    Patent number: D421170
    Type: Grant
    Filed: July 23, 1998
    Date of Patent: February 22, 2000
    Inventor: Victor Wai Park Siu