Granted Patent
Utility
US 4,479,161 · App. 06/423,936
Switching type driver circuit for fuel injector
Inventors:
Robert S. Henrich, John A. Walworth
Patented Case
View Patent ↗
Granted: Oct 23, 1984
Filed: Sep 27, 1982
Inventors
Robert S. Henrich
John A. Walworth
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.