Patents by Inventor Robert H. Kupperman

Robert H. Kupperman 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).

  • Optically active biological particle distinguishing apparatus
    Patent number: 4796995
    Abstract: The disclosure is directed to organic particle sorting and identification. High frequency pulses of circularly polarized light, alternating between left and right, intersect a fast moving stream of organic particles. Circular intensity differential scattering and linear intensity differential scattering are monitored to uniquely identify a variety of organic particles.
    Type: Grant
    Filed: September 2, 1987
    Date of Patent: January 10, 1989
    Assignee: The United States Department of Energy
    Inventors: Gary C. Salzman, Robert H. Kupperman