Granted Patent
Utility
US 4,407,772 · App. 06/382,854
Method of producing a contoured disk wheel
Inventor:
Ralph A. Maglio
Patented Case
View Patent ↗
Granted: Oct 4, 1983
Filed: May 28, 1982
Inventor
Ralph A. Maglio
Assignee (at issue)
The Firestone Tire & Rubber Company
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.