Granted Patent
Utility
US 6,194,876 · App. 09/348,473
Power generating system
Inventor:
Yoichi Nagata
Patented Case
View Patent ↗
Granted: Feb 27, 2001
Filed: Jul 7, 1999
Inventor
Yoichi Nagata
Assignee (at issue)
CITIZEN WATCH 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.