Granted Patent
Utility
US 6,496,957 · App. 09/265,565
Design evaluating method and apparatus for assisting circuit-board assembly
Inventor:
Koichi Kumagai
Patented Case
View Patent ↗
Granted: Dec 17, 2002
Filed: Mar 10, 1999
Inventor
Koichi Kumagai
Assignee (at issue)
SUMITOMO ELECTRIC INDUSTRIES, 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.