Patents by Inventor Gregory M. Pratt

Gregory M. Pratt 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).

  • Athletic shoe
    Patent number: D262411
    Type: Grant
    Filed: February 4, 1980
    Date of Patent: December 29, 1981
    Assignee: Eltra Corporation
    Inventors: Kevin J. Crowley, Douglas R. Kelly, Gregory M. Pratt, Leslie E. Roberts