Patents by Inventor Samuel Bloomfield

Samuel Bloomfield 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: 4010845
    Abstract: Disclosed herein is a device for holding a coin for viewing by collectors which is comprised of a flat supporting plate held between a pair of transparent viewing plates. The supporting plate has an enlarged central viewing aperture therein and carries a plurality of projecting arms which are slidably mounted thereon and extend into the enlarged aperture for holding the coin therebetween to permit viewing of the obverse, reverse and edge of the coin.
    Type: Grant
    Filed: April 28, 1975
    Date of Patent: March 8, 1977
    Inventor: Samuel Bloomfield