Granted Patent
Utility
US 6,338,480 · App. 09/492,272
Sheet feeding device for an image forming apparatus
Inventor:
Kenji Endo
Patented Case
View Patent ↗
Granted: Jan 15, 2002
Filed: Jan 27, 2000
Inventor
Kenji Endo
Assignee (at issue)
Tohoku Ricoh Co., 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.