Granted Patent
Utility
US 6,401,606 · App. 09/404,263
Stencil printer
Inventor:
Mitsuo Sato
Patented Case
View Patent ↗
Granted: Jun 11, 2002
Filed: Sep 22, 1999
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.