Granted Patent
Utility
US 5,887,799 · App. 08/927,190
Dual fuel injector
Inventor:
David H. Smith
Patented Case
View Patent ↗
Granted: Mar 30, 1999
Filed: Sep 11, 1997
Inventor
David H. Smith
Assignee (at issue)
IMPCO TECHNOLOGIES, INC.
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.