Granted Patent
Utility
US 6,067,901 · App. 08/926,013
Waste master collecting device for a stencil printer
Inventor:
Takayuki Takahashi
Patented Case
View Patent ↗
Granted: May 30, 2000
Filed: Sep 9, 1997
Inventor
Takayuki Takahashi
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.