Granted Patent
Utility
US 4,501,112 · App. 06/625,474
Cotton harvesting machine pneumatic duct system
Inventors:
Guy N. Thedford, Robert M. Fachini, Dennis Kelly Sullivan
Patented Case
View Patent ↗
Granted: Feb 26, 1985
Filed: Jun 27, 1984
Inventors
Guy N. Thedford
Robert M. Fachini
Dennis Kelly Sullivan
Assignee (at issue)
International Harvester 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.