Patents by Inventor Colleen Woolpert

Colleen Woolpert 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).

  • TwinScope 3-D viewer
    Patent number: 9910286
    Abstract: A stereoscope is used for viewing a stereographic pair of images that are placed side-by-side on a card or presented on a digital screen. A lens board has left and right apertures defining a horizontal base line. A pair of prismatic lenses are fitted into the left and right apertures, respectively. A stem or handle projects from the lens board in the plane of the lens board midway between the apertures and perpendicular to the base line. A removable opaque synthetic rubber hood is fitted onto the lens board and has eye covers of generally tubular shape.
    Type: Grant
    Filed: November 18, 2015
    Date of Patent: March 6, 2018
    Inventor: Colleen Woolpert
  • TwinScope 3-D Viewer
    Publication number: 20160147077
    Abstract: A stereoscope is used for viewing a stereographic pair of images that are placed side-by-side on a card or presented on a digital screen. A lens board has left and right apertures defining a horizontal base line. A pair of prismatic lenses are fitted into the left and right apertures, respectively. A stem or handle projects from the lens board in the plane of the lens board midway between the apertures and perpendicular to the base line. A removable opaque synthetic rubber hood is fitted onto the lens board and has eye covers of generally tubular shape.
    Type: Application
    Filed: November 18, 2015
    Publication date: May 26, 2016
    Inventor: Colleen Woolpert