Granted Patent
Utility
US 4,428,531 · App. 06/179,425
Method of producing a fuel injector
Inventor:
Barrie J. Martin
Patented Case
View Patent ↗
Granted: Jan 31, 1984
Filed: Aug 19, 1980
Inventor
Barrie J. Martin
Assignee (at issue)
Eaton 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.