Granted Patent
Utility
US 6,623,219 · App. 09/758,877
Printed board processing machine
Inventors:
Katsuhiro Nagasawa, Tamio Otani, Akira Irie
Patented Case
View Patent ↗
Granted: Sep 23, 2003
Filed: Jan 11, 2001
Inventors
Katsuhiro Nagasawa
Tamio Otani
Akira Irie
Assignee (at issue)
Hitachi Via Mechanics
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.