Granted Patent
Utility
US 4,637,772 · App. 06/649,686
Loader mount
Inventor:
Leroy B. Stumpe
Patented Case
View Patent ↗
Granted: Jan 20, 1987
Filed: Sep 12, 1984
Inventor
Leroy B. Stumpe
Assignee (at issue)
Du-Al Manufacturing 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.