Granted Patent
Utility
US 4,389,710 · App. 06/224,418
Braking system test circuit
Inventor:
John Rasmussen
Patented Case
View Patent ↗
Granted: Jun 21, 1983
Filed: Jan 12, 1981
Inventor
John Rasmussen
Assignee (at issue)
Goodyear Aerospace 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.