Patents by Inventor Mel J. Riley

Mel J. Riley 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).

  • Diagnostic test card
    Patent number: 3990850
    Abstract: A novel test card adapted for the performance of an immunochemical, diagnostic or serological test upon its surface, and which is provided with an end flap which may be folded over to enclose and preserve the test results. The flap portion is provided with circular openings which when folded over, are in registry with circular test areas on the surface of the card, permitting visual observation of the test results. The card may be used, for example, for blood group typing.
    Type: Grant
    Filed: January 6, 1976
    Date of Patent: November 9, 1976
    Assignee: Akzona Incorporated
    Inventors: Stephen B. Friedman, Mel J. Riley