Patents by Inventor Johannes H. T. Dinnissen

Johannes H. T. Dinnissen 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).

  • Method of and copying machine for copying originals in order on both sides of receiving sheets
    Patent number: 5012296
    Abstract: The invention described is a method of and machine for duplex copying images present in order on both sides of two original sheets in which, in a first cycle, an image of the first original page is applied twice and then an image of the third original page is applied twice to a separate blank receiving sheets.Thereafter, in a second cycle, an image of the second original page is applied twice and then an image of the fourth original page is applied twice on the blank side of the returned receiving sheets which were already printed on one side. The two cycles are repeated for making further copies of the two original sheets printed on both sides.
    Type: Grant
    Filed: March 9, 1989
    Date of Patent: April 30, 1991
    Assignee: OCE-Nederland B.V.
    Inventors: Johannes H. T. Dinnissen, Augustinus W. M. Lambregts