Granted Patent
Utility
US 4,021,995 · App. 05/630,167
Crop conditioning rotor
Inventor:
Amos G. Hill
Patented Case
View Patent ↗
Granted: May 10, 1977
Filed: Nov 10, 1975
Inventor
Amos G. Hill
Assignee (at issue)
Hesston 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.