Granted Patent
Utility
US 4,791,778 · App. 07/151,953
Corn head gear box
Inventor:
Ronald E. Wilson
Patented Case
View Patent ↗
Granted: Dec 20, 1988
Filed: Feb 3, 1988
Inventor
Ronald E. Wilson
Assignee (at issue)
Deutz-Allis Corporation
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.