Patents by Inventor Mark L. Ellis

Mark L. Ellis 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).

  • Auto roof hoist
    Patent number: D258054
    Type: Grant
    Filed: October 30, 1978
    Date of Patent: January 27, 1981
    Inventor: Mark L. Ellis
  • Auto roof hoist
    Patent number: D278172
    Type: Grant
    Filed: September 30, 1982
    Date of Patent: March 26, 1985
    Inventor: Mark L. Ellis
  • Automobile hardtop storage cart/rack
    Patent number: D303031
    Type: Grant
    Filed: January 28, 1987
    Date of Patent: August 22, 1989
    Inventor: Mark L. Ellis