Granted Patent
Utility
US 4,645,336 · App. 06/873,475
Method and apparatus for determining the trimmed images of originals for reproduction on printing technology
Inventor:
Dieter Muehlenbruch
Patented Case
View Patent ↗
Granted: Feb 24, 1987
Filed: Jun 11, 1986
Inventor
Dieter Muehlenbruch
Assignee (at issue)
Dr. Ing. Rudolf Hell GmbH
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.