Patents by Inventor Ronald A. Minichillo

Ronald A. Minichillo 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).

  • Step plate
    Patent number: D272430
    Type: Grant
    Filed: January 28, 1982
    Date of Patent: January 31, 1984
    Assignee: Kemberly, Inc.
    Inventors: Ronald A. Minichillo, Wayne R. Broyles
  • Extrusion for ladder step
    Patent number: D291006
    Type: Grant
    Filed: October 15, 1984
    Date of Patent: July 21, 1987
    Assignee: Kemberly, Inc.
    Inventors: Ronald A. Minichillo, Wayne R. Broyles