Patents by Inventor John J. Van Acker

John J. Van Acker 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).

  • Copying machine
    Patent number: D249797
    Type: Grant
    Filed: October 22, 1977
    Date of Patent: October 3, 1978
    Assignee: Addressograph Multigraph Corporation
    Inventors: John J. Van Acker, Terry G. Seelenbinder, Richard W. Jackson, Eugene P. Oddo, Walter A. Hudson