Granted Patent
Utility
US 4,958,756 · App. 07/286,804
Cotton basket unloading regulator
Inventor:
Gerald A. Conway
Patented Case
View Patent ↗
Granted: Sep 25, 1990
Filed: Dec 20, 1988
Inventor
Gerald A. Conway
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.