Granted Patent
Utility
US 6,431,474 · App. 09/320,179
Compressed natural gas fuel injector having magnetic pole face flux director
Inventors:
James Fochtman, Danny O. Wright
Patented Case
View Patent ↗
Granted: Aug 13, 2002
Filed: May 26, 1999
Inventors
James Fochtman
Danny O. Wright
Assignee (at issue)
Siemens Automotive Corporation
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.