Patents by Inventor Elisabeth Berry

Elisabeth Berry 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 display apparatus
    Patent number: 11487196
    Abstract: Apparatus comprising a projection device for projecting an image, a transparent projection screen for displaying the projected image and a secondary image surface on an opposite side of the screen to the projector device and where an undesired secondary image appears. Different arrangements for the management of the undesired secondary image are disclosed.
    Type: Grant
    Filed: June 24, 2019
    Date of Patent: November 1, 2022
    Inventor: Elisabeth Berry
  • IMAGE DISPLAY APPARATUS
    Publication number: 20210247685
    Abstract: Apparatus comprising a projection device for projecting an image, a transparent projection screen for displaying the projected image and a secondary image surface on an opposite side of the screen to the projector device and where an undesired secondary image appears. Different arrangements for the management of the undesired secondary image are disclosed.
    Type: Application
    Filed: June 24, 2019
    Publication date: August 12, 2021
    Inventor: Elisabeth Berry