Patents by Inventor Pieter J. Doodson

Pieter J. Doodson 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).

  • Combination of a support for a disc-shaped recording medium and a holder for the support
    Patent number: 5913419
    Abstract: A combination of a support for a disc-shaped recording medium and a holder for the support. The support is a box-shaped cartridge having two parallel rigid main walls. The main walls have facing inner surfaces which bound a space for receiving the recording medium. At least one of the main walls has a window to provide optical access to the recording medium. The holder includes a wall portion for covering the window in a holding position of the cartridge on the holder.
    Type: Grant
    Filed: February 15, 1996
    Date of Patent: June 22, 1999
    Assignee: U.S. Philips Corporation
    Inventor: Pieter J. Doodson