Granted Patent
Utility
US 6,594,598 · App. 09/166,904
Method for controlling production line
Inventors:
Hiroaki Ishizuka, Kyoji Yamashita
Patented Case
View Patent ↗
Granted: Jul 15, 2003
Filed: Oct 6, 1998
Inventors
Hiroaki Ishizuka
Kyoji Yamashita
Assignee (at issue)
Matsushita Electronics 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.