Granted Patent
Utility
US 5,335,045 · App. 08/063,083
Photographic printing machine for copying originals on sheet-like copy material
Inventors:
Jurg Kunz, Hugo Knecht, Erich Binder
Patented Case
View Patent ↗
Granted: Aug 2, 1994
Filed: May 18, 1993
Inventors
Jurg Kunz
Hugo Knecht
Erich Binder
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.