Granted Patent
Utility
US 4,556,258 · App. 06/541,755
Axle clutch actuator
Inventor:
Gunnar H. Janson
Patented Case
View Patent ↗
Granted: Dec 3, 1985
Filed: Oct 13, 1983
Inventor
Gunnar H. Janson
Assignee (at issue)
DANA 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.