Patents by Inventor Ralph A. Holmes

Ralph A. Holmes 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).

  • Grooved grill cleaner
    Patent number: 4146943
    Abstract: An elongated handle has mounted on one end thereof a plurality of spring fingers in side by side relation with toothed rotable cutter disc on free ends of the fingers. The free ends of the fingers are movable toward and away from each other to adjust themselves to the spacing of the grooves in the grill to be cleaned and are movable in a perpendicular direction to adjust themselves to the thickness of deposits in the grooves. The handle also carries a brush to sweep out debris loosened by the cutter discs.
    Type: Grant
    Filed: March 13, 1978
    Date of Patent: April 3, 1979
    Inventors: Donald J. Wertheimer, Ralph A. Holmes