Granted Patent
Utility
US 5,094,064 · App. 07/627,255
Duct system for a cotton harvester
Inventor:
G. Neil Thedford
Patented Case
View Patent ↗
Granted: Mar 10, 1992
Filed: Dec 14, 1990
Inventor
G. Neil Thedford
Assignee (at issue)
J. I. Case 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.