Patents by Inventor Louis D. Mailloux

Louis D. Mailloux 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).

  • Color transparency reproducing machine
    Patent number: 4027962
    Abstract: An electrophotographic printing machine in which color transparencies are reproduced. A projected image of the color transparency is scanned forming a light image thereof. The light image is modulated and filtered creating a single color half-tone light image. A charged photoconductive member is irradiated by the single color half-tone light image recording a single color electrostatic latent image thereon.
    Type: Grant
    Filed: January 13, 1975
    Date of Patent: June 7, 1977
    Assignee: Xerox Corporation
    Inventor: Louis D. Mailloux
  • Notch filter for color transparency copying machines
    Patent number: 4013355
    Abstract: An electrophotographic printing machine in which color transparencies are reproduced. The printing machine includes a notch filter which transmits blue and green light images of the color transparency therethrough while blocking a portion of the red light image from passing therethrough.
    Type: Grant
    Filed: July 30, 1975
    Date of Patent: March 22, 1977
    Assignee: Xerox Corporation
    Inventor: Louis D. Mailloux