Granted Patent
Utility
US 4,665,496 · App. 06/665,976
Process and apparatus for the evaluation of the printing quality of a printed product by an offset printing machine
Inventor:
Hans Ott
Patented Case
View Patent ↗
Granted: May 12, 1987
Filed: Oct 29, 1984
Inventor
Hans Ott
Assignee (at issue)
Gretag Aktiengesellschaft
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.