Patents by Inventor Normand Davidson

Normand Davidson 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).

  • Image revealing squeegee device for an electrocoagulation printing apparatus
    Patent number: 6090257
    Abstract: An image revealing squeegee device for an electrocoagulation printing apparatus including a positive cylindrical electrode having a central longitudinal axis and a passivated surface on which dots of colored, coagulated colloid representative of a desired image are formed by electrocoagulation of an electrolytically coagulable colloid present in a colloidal dispersion containing a coloring agent, the positive electrode having a predetermined radius and being rotatable about the longitudinal axis in a predetermined direction.
    Type: Grant
    Filed: April 5, 1999
    Date of Patent: July 18, 2000
    Assignee: Elcorsy Technology, Inc.
    Inventors: Adrien Castegnier, Normand Davidson, Gilles Gadbois, Christian Laplante
  • Image revealing squeegee device for an electrocoagulation printing apparatus
    Patent number: 5928486
    Abstract: An image revealing squeegee device for an electrocoagulation printing apparatus including a positive cylindrical electrode having a central longitudinal axis and a passivated surface on which dots of colored, coagulated colloid representative of a desired image are formed by electrocoagulation of an electrolytically coagulable colloid present in a colloidal dispersion containing a coloring agent, the positive electrode having a predetermined radius and being rotatable about the longitudinal axis in a predetermined direction.
    Type: Grant
    Filed: December 23, 1997
    Date of Patent: July 27, 1999
    Assignee: Elcorsy Technology Inc.
    Inventors: Adrien Castegnier, Normand Davidson, Gilles Gadbois, Christian Laplante