Patents by Inventor Willie Bruce Underwood

Willie Bruce Underwood 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).

  • Nephelometer having pulsed energy source
    Patent number: 4118625
    Abstract: A nephelometer that is insensitive to ambient light, characterized by the direction of very short pulses of energy at high frequency from an infrared laser to traverse a liquid containing suspended particles and the ability to detect, amplify and measure the peak values of pulses of energy scattered by particles traversed by the beam.
    Type: Grant
    Filed: May 2, 1977
    Date of Patent: October 3, 1978
    Assignee: Dynatech Laboratories Incorporated
    Inventor: Willie Bruce Underwood