Patents by Inventor C. Dean Shafer

C. Dean Shafer 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).

  • Lawn mower cleaner
    Patent number: D631941
    Type: Grant
    Filed: December 5, 2009
    Date of Patent: February 1, 2011
    Inventor: C. Dean Shafer
  • Lawn mower cleaner
    Patent number: D657845
    Type: Grant
    Filed: January 24, 2011
    Date of Patent: April 17, 2012
    Inventor: C. Dean Shafer