Patents by Inventor Reuben W. Kaplan

Reuben W. Kaplan 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).

  • Observation stand
    Patent number: 4134474
    Abstract: A portable observation stand for mounting on trees having a wide range of diameters. The stand includes a frame, which is detachably secured to a selected tree, and an articulated ladder which may be retained in a climbing position, for entry by an outdoorsman, and in a base position to provide support for a floor during use. A U-shaped rail may be mounted on the frame, and a shroud which encloses the stand may be secured to the rail.
    Type: Grant
    Filed: January 31, 1978
    Date of Patent: January 16, 1979
    Assignee: Truth Incorporated
    Inventors: Harold L. Stavenau, Reuben W. Kaplan