Patents by Inventor David George Grau

David George Grau 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).

  • Toothbrush
    Patent number: D462525
    Type: Grant
    Filed: March 30, 2000
    Date of Patent: September 10, 2002
    Assignee: Gillette Canada Company
    Inventors: David George Grau, Gary Lim, Joseph Watson, Mark Edward McConnell, Declan Connolly, Niall O'Gara, Robert Anthony Walsh, Max Yoshimoto, Jeff Hoefer, Dustin R. Brown
  • Toothbrush handle
    Patent number: D471363
    Type: Grant
    Filed: June 4, 2002
    Date of Patent: March 11, 2003
    Assignee: The Gillette Company
    Inventors: David George Grau, Gary Lim, Joseph Watson, Mark Edward McConnell, Declan Connolly, Niall O'Gara, Robert Anthony Walsh, Max Yoshimoto, Jeff Hoefer, Dustin R. Brown
  • Toothbrush bristle pattern
    Patent number: D479404
    Type: Grant
    Filed: June 4, 2002
    Date of Patent: September 9, 2003
    Assignee: The Gillette Canada Company
    Inventors: David George Grau, Gary Lim, Joseph Watson, Mark Edward McConnell, Declan Connolly, Niall O'Gara, Robert Anthony Walsh, Max Yoshimoto, Jeff Hoefer, Dustin R. Brown