Granted Patent
Utility
US 6,728,903 · App. 09/408,184
Electric part test system
Inventor:
Yoshiaki Kato
Patented Case
View Patent ↗
Granted: Apr 27, 2004
Filed: Sep 29, 1999
Inventor
Yoshiaki Kato
Assignee (at issue)
Advantest Corporation
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.