Granted Patent
Utility
US 5,785,257 · App. 08/507,947
Swirl type fuel injection valve
Inventors:
Yuji Furuya, Kenichi Iino, Hitoshi Okuyama
Patented Case
View Patent ↗
Granted: Jul 28, 1998
Filed: Jul 27, 1995
Inventors
Yuji Furuya
Kenichi Iino
Hitoshi Okuyama
Assignee (at issue)
Zexel GmbH
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.