Granted Patent
Utility
US 5,258,809 · App. 07/927,632
Electrophotographic printer of modular design
Inventor:
Manfred Wiedemer
Patented Case
View Patent ↗
Granted: Nov 2, 1993
Filed: Aug 25, 1992
Inventor
Manfred Wiedemer
Assignee (at issue)
Siemens Nixdorf Informationssysteme 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.