Patents by Inventor Calvin Dalton

Calvin Dalton 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: D315542
    Type: Grant
    Filed: June 5, 1989
    Date of Patent: March 19, 1991
    Inventors: Calvin Dalton, Michael J. McConnell, James T. Slater