Patents by Inventor Hans H. Keizer

Hans H. Keizer 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).

  • Body-mounted light source-detector apparatus
    Patent number: 4510938
    Abstract: Means are provided for securing to the human body a light source housing and a light detector housing used for monitoring metabolism, said means comprising sockets adapted to fit over the housings and having tab members adapted to be adhesively secured to the body to maintain the respective light source and light detector housings in spaced relation on the body and further comprising a light-shielded pad fitted over said sockets and adhered to the body to provide light shielding for the light source and light detector confined in said housings.
    Type: Grant
    Filed: January 24, 1983
    Date of Patent: April 16, 1985
    Assignee: Duke University, Inc.
    Inventors: Frans F. Jobsis, Hans H. Keizer, Ronald F. Overaker