Patents by Inventor Roland A. Polimadei

Roland A. Polimadei 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).

  • Radiation-resistant integrated optical signal communicating device
    Patent number: 4021834
    Abstract: An integrated optical signal communicating device associating an optical eguide for guiding a light wave with a light-emitting junction for emitting the light wave and a light-collecting junction for receiving at least a part of the light wave. The device utilizes the gallium aluminum arsenide alloy system in the fabrication of the waveguide, emitter and collector to produce a device with high radiation resistance.
    Type: Grant
    Filed: December 31, 1975
    Date of Patent: May 3, 1977
    Assignee: The United States of America as represented by the Secretary of the Army
    Inventors: Arnold S. Epstein, Stewart Share, Roland A. Polimadei