Granted Patent
Utility
US 5,778,294 · App. 08/710,507
Electrophotographic apparatus and belt fixing device with non-uniform nip pressure
Inventors:
Chikara Hiraoka, Junichi Matsuno, Hiromitsu Fukuda
Patented Case
View Patent ↗
Granted: Jul 7, 1998
Filed: Sep 18, 1996
Inventors
Chikara Hiraoka
Junichi Matsuno
Hiromitsu Fukuda
Assignee (at issue)
HITACHI, LTD.
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.