Patents by Inventor David deRoy Vanzuydewyn

David deRoy Vanzuydewyn 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).

  • TABLE ACCESSORY
    Publication number: 20150320214
    Abstract: Disclosed are table accessories comprising: a first vertical beam at a first end and a second vertical beam at a second end; at least one first angled beam rotatably connected to the first vertical beam; at least one second angled beam rotatably connected to the second vertical beam; and a horizontal beam rotatably connected to both the first and the second angled beams.
    Type: Application
    Filed: May 6, 2014
    Publication date: November 12, 2015
    Inventor: David deRoy VanZuydewyn
  • Portable backup power supply
    Patent number: D542221
    Type: Grant
    Filed: November 28, 2005
    Date of Patent: May 8, 2007
    Assignee: Xantrex International
    Inventors: Marius George Hriscu, Peter Tai Kwong Cheung, Grant Iverson Dunbar, Alexander Jeffrey Feldman, Lawrence Neill, Robert Bruce Prior, Robbie Gordon Roberts, David deRoy Vanzuydewyn