Granted Patent
Utility
US 5,813,385 · App. 08/929,280
Combustion chamber structure having piston cavity
Inventors:
Toyosei Yamauchi, Koji Morikawa
Patented Case
View Patent ↗
Granted: Sep 29, 1998
Filed: Sep 15, 1997
Inventors
Toyosei Yamauchi
Koji Morikawa
Assignee (at issue)
Fuji 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.