Patents by Inventor John J. Keyser

John J. Keyser 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: 4674110
    Abstract: A hand and finger X-ray positioning device comprising a radiolucent support board containing one or more attachment means and one or more positioning means which are removably affixed to said attachment means and which permit the stable positioning of one or more fingers in a desired position for the purpose of obtaining X-rays of the hand and fingers without exposing a surgeon or technician to harmful radiation. In a preferred embodiment, the attachment means are a series of holes located at the distal end of a sterilizable rectangular support board into which fit the positioning means or pegs.
    Type: Grant
    Filed: December 14, 1984
    Date of Patent: June 16, 1987
    Inventors: Richard G. Eaton, John J. Keyser