Granted Patent
Utility
US 4,271,722 · App. 06/062,688
Axle disconnect
Inventor:
Chris Campbell
Patented Case
View Patent ↗
Granted: Jun 9, 1981
Filed: Aug 1, 1979
Inventor
Chris Campbell
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.