Patents by Inventor Stephen E. Donnelly

Stephen E. Donnelly 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).

  • Method and device for producing photons in the ultraviolet-wavelength range
    Patent number: 4574198
    Abstract: Method and device for producing photons (7), in the UV-wavelength range, comprising planting in a solid matrix, ions from a gas which is inert or insoluble relative to the matrix, excitating the captive gas (2) in the solid matrix, and emitting of said photons (7) by the excitated gas, as well as notably the ionic bombardment of one surface from the solid matrix with low-energy ions from at least one gas as stated above, and the electronic bombardment (4) with low energy of the solid matrix, with emission of the photons (7).
    Type: Grant
    Filed: January 9, 1984
    Date of Patent: March 4, 1986
    Inventors: Amand A. Lucas, Jack C. Rife, Stephen E. Donnelly