Patents by Inventor David E. Shircliff

David E. Shircliff 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).

  • Patent number: 7062787
    Abstract: A knee pad assembly for protecting a knee of a worker installing tile, wood floors, etc. The knee pad assembly includes an outer knee pad structure and a resilient foam inner knee and shin pad structure.
    Type: Grant
    Filed: May 9, 2003
    Date of Patent: June 20, 2006
    Inventor: David E. Shircliff
  • Patent number: 6807682
    Abstract: A knee pad assembly for protecting a knee of a worker installing tile, wood floors, etc. The knee pad assembly includes an outer knee pad structure, a knee cap support spring, and a resilient foam inner knee and shin pad structure.
    Type: Grant
    Filed: March 28, 2002
    Date of Patent: October 26, 2004
    Inventor: David E. Shircliff
  • Patent number: D516254
    Type: Grant
    Filed: January 24, 2005
    Date of Patent: February 28, 2006
    Inventor: David E. Shircliff