Patents by Inventor David Brian Wainwright

David Brian Wainwright 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).

  • Cane tip
    Patent number: D570094
    Type: Grant
    Filed: May 29, 2007
    Date of Patent: June 3, 2008
    Inventor: David Brian Wainwright
  • Cane tip
    Patent number: D587894
    Type: Grant
    Filed: June 6, 2008
    Date of Patent: March 10, 2009
    Inventor: David Brian Wainwright