Granted Patent
Utility
US 5,337,118 · App. 07/979,001
Photographic copying apparatus and process of operation
Inventor:
Heinrich Haller
Patented Case
View Patent ↗
Granted: Aug 9, 1994
Filed: Nov 19, 1992
Inventor
Heinrich Haller
Assignee (at issue)
Gretag Imaging AG
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.