Granted Patent
Utility
US 5,694,841 · App. 08/572,863
Drum support structure for a stencil printer
Inventor:
Mitsuo Sato
Patented Case
View Patent ↗
Granted: Dec 9, 1997
Filed: Dec 14, 1995
Inventor
Mitsuo Sato
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.