Patents by Inventor Johannes A. M. van Cromvoirt

Johannes A. M. van Cromvoirt 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).

  • Unit liquid cup
    Patent number: 4260065
    Abstract: An injection moulded liquid cup comprising a container whose one end is sealed by a rupturable cap connected to the container via a rupturable tear seam.
    Type: Grant
    Filed: August 4, 1979
    Date of Patent: April 7, 1981
    Assignee: Aloysius Johannes Baptist Aarts
    Inventor: Johannes A. M. van Cromvoirt