Patents by Inventor John D. Mathews

John D. Mathews 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: 4165802
    Abstract: An upstanding tubular member is provided having upper and lower portions each including front and rear walls interconnected along corresponding opposite sides by means of side walls. The lower portion of the tubular member may be downwardly telescoped over an upwardly projecting coin inlet portion of a machine for support of the tubular member from the coin inlet portion and the front wall of the tubular member upper portion includes downwardly and rearwardly inclined first guide ribs terminating downwardly above the tubular member lower portion and forwardly of the innermost surfaces of the rear wall of the tubular member lower portion.
    Type: Grant
    Filed: March 6, 1978
    Date of Patent: August 28, 1979
    Inventor: John D. Mathews