Patents by Inventor David Eugene Bowser

David Eugene Bowser 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).

  • Photodetector filter structure
    Patent number: 3976875
    Abstract: A transparent dome formed from a segment of a spherical shell of uniform thickness has an optical filter on its surface. A photodetector is positioned on the concave side of the dome so that light rays passing through the dome, normal to its surface, will fall on the center of the photodetector.
    Type: Grant
    Filed: June 24, 1975
    Date of Patent: August 24, 1976
    Assignee: RCA Corporation
    Inventors: Ralph Warren Engstrom, David Eugene Bowser