Granted Patent
Utility
US 4,447,073 · App. 06/361,944
Road wheel suspension
Inventor:
Jack M. Brandstadter
Patented Case
View Patent ↗
Granted: May 8, 1984
Filed: Mar 25, 1982
Inventor
Jack M. Brandstadter
Assignee (at issue)
EXCELLO CO., LTD.
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.