Granted Patent
Utility
US 6,662,791 · App. 10/360,425
Four-cycle overhead valve engine
Inventors:
Keiichi Nakamizo, Shinya Akase
Patented Case
View Patent ↗
Granted: Dec 16, 2003
Filed: Feb 7, 2003
Inventors
Keiichi Nakamizo
Shinya Akase
Assignee (at issue)
KAWASAKI JUKOGYO KABUSHIKI KAISHA
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.