Granted Patent
Utility
US 6,499,557 · App. 10/081,604
Power steering
Inventors:
Masashi Takai, Naoto Shima, Fumihide Kozuma, Norimasa Amano, Noboru Shimizu
Patented Case
View Patent ↗
Granted: Dec 31, 2002
Filed: Feb 21, 2002
Inventors
Masashi Takai
Naoto Shima
Fumihide Kozuma
Norimasa Amano
Noboru Shimizu
Assignee (at issue)
KAYABA INDUSTRY 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.