Granted Patent
Utility
US 5,839,362 · App. 08/897,466
Single cylinder hydraulic tension control system for round balers
Inventors:
Howard J. Ratzlaff, J. Dale Anderson, Ferol S. Fell
Patented Case
View Patent ↗
Granted: Nov 24, 1998
Filed: Jul 21, 1997
Inventors
Howard J. Ratzlaff
J. Dale Anderson
Ferol S. Fell
Assignee (at issue)
Hay & Forage Industries
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.