Patents by Inventor Antonius V. Poorten

Antonius V. Poorten 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).

  • Injection mould with insert piece and injection moulding unit for same
    Patent number: 4737096
    Abstract: The molding apparatus for molding compact discs defines an openable mold cavity and the information bearing disc which forms the impression on the compact disc in held in place by vacuum in the mold cavity in order to allow ready and easy removal and replacement of the insert when necessary.
    Type: Grant
    Filed: December 5, 1985
    Date of Patent: April 12, 1988
    Assignee: Kanaaldijk Z.W.
    Inventor: Antonius V. Poorten