Patents by Inventor Merritt Leroy Hollen

Merritt Leroy Hollen 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: 4058820
    Abstract: A device for mounting coins for photographic identification and cataloging employs a base mounted rotating table having angular indicia about the edge thereof and an angular reference indicator on the base. A platform for mounting the coin to be photographed is provided which is mounted on a helicoid axial position adjusting device wherein the platform and adjusting device rotate with the table. A disc is provided having a hole therethrough adapted to fit the outer diameter of the coin, for providing coin centering on the platform. A lens holder is provided which is capable of being placed in a position overlying the platform or in a position remote therefrom. A lens is mounted in the lens holder for rotational movement therein, and a pattern of reticle lines if inscribed on the lens. With the table aligned with the base reference, a coin is placed in a north-south position on the platform, retained by the disc and the lens is placed in the position overlying the platform and the coin.
    Type: Grant
    Filed: June 28, 1976
    Date of Patent: November 15, 1977
    Inventor: Merritt Leroy Hollen