Patents Represented by Attorney Robert A. Schroeder

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  • MIS type integrated circuit device
    Patent number: 3932884
    Abstract: A metal-insulator-semiconductor type integrated circuit includes a semiconductor substrate of a first conductivity type and a power supply for a back-gate bias. The substrate is connected to the power supply by a switching means. A region of a second conductivity type, which is grounded, is formed on a major surface of the substrate. The potential of the semiconductor substrate is clamped at a predetermined level by a clamping means connected between the above-mentioned region and the substrate.
    Type: Grant
    Filed: March 5, 1974
    Date of Patent: January 13, 1976
    Assignee: Nippon Electric Co., Inc.
    Inventor: Yoshishige Kitamura
  • Electroluminescent device including dichroic and infrared reflecting components
    Patent number: 3932881
    Abstract: A light source having an infrared-emitting diode and a luminescent material excitable in a step-like manner for converting the infrared radiation to visible rays comprises an optical cavity enclosing the luminescent material. A portion of the cavity wall is a dichroic filter that is substantially transparent to the visible rays but reflects the infrared radiation. The other cavity wall reflect the infrared radiation in particular.
    Type: Grant
    Filed: March 7, 1975
    Date of Patent: January 13, 1976
    Assignee: Nippon Electric Co., Inc.
    Inventors: Yoh Mita, Eiji Nagasawa
  • Combined bicycle sprocket and deflector plate
    Patent number: D253641
    Type: Grant
    Filed: November 21, 1977
    Date of Patent: December 11, 1979
    Inventor: Curtis W. Tritchka
  • Vending machine
    Patent number: D256030
    Type: Grant
    Filed: November 4, 1977
    Date of Patent: July 22, 1980
    Assignee: Rod Pierce & Associates
    Inventors: Theodore C. Youngkin, Richard R. Stutsman
  • Eyeglasses
    Patent number: D257437
    Type: Grant
    Filed: June 26, 1978
    Date of Patent: October 21, 1980
    Inventors: Kurt W. Wittke, Addie L. Klotz
  • Eyeglasses
    Patent number: D257856
    Type: Grant
    Filed: June 26, 1978
    Date of Patent: January 13, 1981
    Inventors: Kurt W. Wittke, Addie L. Klotz
  • Bottle with swirl
    Patent number: D477228
    Type: Grant
    Filed: June 26, 2001
    Date of Patent: July 15, 2003
    Assignee: Conagra Grocery Products Company
    Inventors: Nikia J. Hyman, Patrick E. McCallister, Thomas W. Osip, Paul A. Pezzoli