Patents by Inventor Don Renteria

Don Renteria 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: 4140893
    Abstract: A ball warming apparatus adapted to completely and effectively heat a cold ball, particularly a bowling ball, to a desirable room temperature. The apparatus may be adapted for selective stationary positioning within a bowling alley for coin-operation, or for selective portable use as a bowling ball bag. The inner wall of the appratus is adapted to closely encompass a bowling ball and to substantially heat the entire peripheral surface of the ball.
    Type: Grant
    Filed: May 6, 1977
    Date of Patent: February 20, 1979
    Inventor: Don Renteria