Granted Patent
Utility
US 6,240,840 · App. 09/453,069
Screen printing apparatus having a pressurized upper chamber
Inventor:
Takehiko Murakami
Patented Case
View Patent ↗
Granted: Jun 5, 2001
Filed: Dec 2, 1999
Inventor
Takehiko Murakami
Assignee (at issue)
MINAMI 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.