Granted Patent
Utility
US 4,271,922 · App. 05/966,077
Wheel suspension system
Inventor:
Alan R. Kishline
Patented Case
View Patent ↗
Granted: Jun 9, 1981
Filed: Dec 4, 1978
Inventor
Alan R. Kishline
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.