Granted Patent
Utility
US 6,268,901 · App. 09/244,462
Photoelectric scanning device and copier equipped therewith
Inventor:
Hugo Knecht
Patented Case
View Patent ↗
Granted: Jul 31, 2001
Filed: Feb 4, 1999
Inventor
Hugo Knecht
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.