Granted Patent
Utility
US 4,361,871 · App. 06/245,224
Failsafe wheel slip control system and method of operating same
Inventors:
Robert G. Miller, Weldon L. Phelps
Patented Case
View Patent ↗
Granted: Nov 30, 1982
Filed: May 7, 1980
Inventors
Robert G. Miller
Weldon L. Phelps
Assignee (at issue)
Caterpillar Tractor Co.
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.