Granted Patent
Utility
US 4,349,233 · App. 06/245,231
Method and apparatus for controlling wheel slip on differentially mounted wheels
Inventors:
David E. Bullard, Allen D. Myers
Patented Case
View Patent ↗
Granted: Sep 14, 1982
Filed: May 7, 1980
Inventors
David E. Bullard
Allen D. Myers
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.