Granted Patent
Utility
US 5,775,310 · App. 08/773,087
Ignition device for an internal combustion engine
Inventors:
Takahashi Ito, Katsuaki Fukatsu, Noboru Sugiura
Patented Case
View Patent ↗
Granted: Jul 7, 1998
Filed: Dec 24, 1996
Inventors
Takahashi Ito
Katsuaki Fukatsu
Noboru Sugiura
Assignees (at issue)
HITACHI, LTD.
HITACHI CAR ENGINEERING 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.