Patents by Inventor Franciscus Vierveijzer

Franciscus Vierveijzer 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).

  • Sheet imaging apparatus
    Patent number: 4618137
    Abstract: A sheet imaging apparatus with a collector tray for receiving a relatively thick stack of finished sheets. The collecting tray has a stack supporting back plate that is rockably arranged and springloaded, and the upper end of which is upwardly angled with respect to the lower end, whereby sheets in inverted relation may be collected without difficulties.
    Type: Grant
    Filed: March 25, 1985
    Date of Patent: October 21, 1986
    Assignee: Agfa-Gevaert N.V.
    Inventors: Gerard J. Boeve, Franciscus Vierveijzer