Granted Patent
Utility
US 6,694,627 · App. 09/840,062
Printed circuit board processing machine
Inventors:
Yasushi Ito, Akira Irie
Patented Case
View Patent ↗
Granted: Feb 24, 2004
Filed: Apr 24, 2001
Inventors
Yasushi Ito
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.