Granted Patent
Utility
US 5,195,612 · App. 07/884,028
Lubrication system for a cotton harvester
Inventors:
Robert W. Hahn, Alan H. Ludwig, G. Neil Thedford
Patented Case
View Patent ↗
Granted: Mar 23, 1993
Filed: May 18, 1992
Inventors
Robert W. Hahn
Alan H. Ludwig
G. Neil Thedford
Assignee (at issue)
Case GmbH
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.