Patents by Inventor Thomas M. Charlson

Thomas M. Charlson 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).

  • Horseshoe
    Patent number: D268445
    Type: Grant
    Filed: December 29, 1980
    Date of Patent: March 29, 1983
    Inventor: Thomas M. Charlson
  • Horseshoe
    Patent number: D268534
    Type: Grant
    Filed: December 29, 1980
    Date of Patent: April 5, 1983
    Inventor: Thomas M. Charlson
  • Horseshoe
    Patent number: D268535
    Type: Grant
    Filed: December 29, 1980
    Date of Patent: April 5, 1983
    Inventor: Thomas M. Charlson