Patents by Inventor George J. Gill

George J. Gill 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).

  • Multi-spectral imaging system
    Patent number: 4866454
    Abstract: A multi-spectral imaging apparatus with a common collecting aperture, which combines a high performance infrared imaging system with a high performance millimeter wave transceiving system. Two mirror surfaces are combined with a refractive corrector in the infrared mode and with a single reflective parabolic antenna in the millimeter wave mode. The dual mode system functions well in a scanning as well as a staring configuration.
    Type: Grant
    Filed: March 4, 1987
    Date of Patent: September 12, 1989
    Inventors: Justin G. Droessler, George J. Gill