Patents by Inventor Ronald A. Croyle

Ronald A. Croyle 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: 4474481
    Abstract: A preselected lapsed time indicating granule flow timer. The timer includes in combination first and second enclosed chambers integrally connected by a neck with an opening therethrough to thereby provide communication of an electrically conductive granular material between the first and second chambers dependent upon the physical position of the first and second chambers in respect of each other. The first and second chambers each have an electrically conductive plate integral with an end of each chamber at an end of the chamber remote from the neck that separates the chambers.Each of the chambers have positioned on a wall of the respective chamber at a point between the electrically conductive plates at least one electrical contact element.
    Type: Grant
    Filed: March 15, 1982
    Date of Patent: October 2, 1984
    Inventor: Ronald A. Croyle
  • Patent number: 4326709
    Abstract: This invention relates to a fishing for cards game of skill which includes in combination a game board housing having a field of play upper surface member and a lower support surface member parallel to the upper surface. First side members are integrally secured to the upper surface member and disposed in a direction toward the lower surface. Second side members are integrally secured to the lower support surface and are disposed in a direction toward the upper surface. The upper surface with the first side members and the lower surface with the second side members cooperate to form a flat box shaped compartment. A spacing sheet having a roughened textured surface is disposed between the upper surface the lower surface and is in contact with the lower surface only. The field of play upper surface has an opening centrally located in the field of play. The opening communicating with an open region between the upper surface member and the roughened textured surface of the spacer sheet.
    Type: Grant
    Filed: December 10, 1979
    Date of Patent: April 27, 1982
    Inventor: Ronald A. Croyle