Patents by Inventor Frederick H. Lamothe, II

Frederick H. Lamothe, II 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).

  • Optical fluid lens
    Patent number: 4466706
    Abstract: A lens particularly for applications requiring a large lens eliminates costly grinding and polishing operations. The lens embodies an adjustable chamber containing an optical fluid which can be pressurized in varying degrees by altering the size of the chamber. Resilient optical diaphragms at the ends of the chamber have their curvatures changed responsive to changes in the pressure of the fluid in the chamber to produce a lens of fixed or variable focal length.
    Type: Grant
    Filed: March 10, 1982
    Date of Patent: August 21, 1984
    Inventor: Frederick H. Lamothe, II