Granted Patent
Utility
US 6,100,963 · App. 09/201,249
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Inventor:
Hiroaki Hosaka
Patented Case
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Granted: Aug 8, 2000
Filed: Nov 30, 1998
Inventor
Hiroaki Hosaka
Assignee (at issue)
Katoh Electrical Machinery Co., 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.