Patents by Inventor John W. Figoski

John W. Figoski 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).

  • Background compensating interferometer
    Patent number: 4304464
    Abstract: A device for reducing the effects of scattered light in an optical instrument utilizes an interferometer for interfering the scattered light and placing the image of the desired object within a dark fringe of the scattered light interference pattern to increase the contrast between the image of the desired object and the background.
    Type: Grant
    Filed: January 4, 1980
    Date of Patent: December 8, 1981
    Assignee: The University of Arizona Foundation
    Inventors: Henry A. Hill, John W. Figoski, Paul T. Ballard
  • Background compensating interferometer
    Patent number: 4213706
    Abstract: A device for reducing the effects of scattered light in an optical instrument utilizes an interferometer for interfering the scattered light and placing the image of the desired object within a dark fringe of the scattered light interference pattern to increase the contrast between the image of the desired object and the background.
    Type: Grant
    Filed: August 19, 1977
    Date of Patent: July 22, 1980
    Assignee: The University of Arizona Foundation
    Inventors: Henry A. Hill, John W. Figoski, Paul T. Ballard