Patents by Inventor John R. Clendenning

John R. Clendenning 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).

  • Method of detecting living microorganisms
    Patent number: 3933592
    Abstract: The presence or absence of living microorganisms is determined by treating a sample containing said microorganisms with an adenosine triphosphate reactive mixture containing luciferin, luciferase and a cation in the presence of oxygen and measuring the light emission produced.
    Type: Grant
    Filed: October 5, 1970
    Date of Patent: January 20, 1976
    Assignee: Hazleton Laboratories, Incorporated
    Inventor: John R. Clendenning