Patents by Inventor John A. Semelka

John A. Semelka 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).

  • Vehicle fender guard
    Patent number: D253764
    Type: Grant
    Filed: October 27, 1977
    Date of Patent: December 25, 1979
    Assignee: Lancaster Colony Corporation
    Inventors: James R. Lockwood, Joseph A. Ferrante, James P. Olszewski, John A. Semelka