Patents by Inventor John Brian Hennessy

John Brian Hennessy 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).

  • Measuring device
    Patent number: 4078313
    Abstract: A measuring device includes a probe having a light source and a light sensitive diode therein such that light reflected from the surroundings of the probe can be detected by the light sensitive diode. A reference is provided such that the depth of the probe in, for example, animal fat can be measured and in particular the point at which the probe passes from fat to lean meat can be determined. A suitable scale or other indicating device is provided.
    Type: Grant
    Filed: December 1, 1976
    Date of Patent: March 14, 1978
    Inventor: John Brian Hennessy