Patents by Inventor Tobias M N F Cardew

Tobias M N F Cardew 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).

  • Beveled chisel tip
    Patent number: D631715
    Type: Grant
    Filed: May 9, 2009
    Date of Patent: February 1, 2011
    Inventor: Tobias M N F Cardew
  • Channeled chisel tip
    Patent number: D632151
    Type: Grant
    Filed: May 9, 2009
    Date of Patent: February 8, 2011
    Inventor: Tobias M N F Cardew
  • Chisel tip
    Patent number: D637053
    Type: Grant
    Filed: May 9, 2009
    Date of Patent: May 3, 2011
    Inventor: Tobias M N F Cardew