Granted Patent
Utility
US 4,861,195 · App. 07/231,405
Cable plow chute
Inventors:
Randy H. Hillard, Robert G. Draney, Joseph J. Lesher
Patented Case
View Patent ↗
Granted: Aug 29, 1989
Filed: Aug 12, 1988
Inventors
Randy H. Hillard
Robert G. Draney
Joseph J. Lesher
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.