Granted Patent
Utility
US 4,485,789 · App. 06/288,730
Fuel injector with inner chamber vacuum
Inventors:
Richard P. Walter, Lael B. Taplin
Patented Case
View Patent ↗
Granted: Dec 4, 1984
Filed: Jul 31, 1981
Inventors
Richard P. Walter
Lael B. Taplin
Assignee (at issue)
Bendix Limited
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.