Granted Patent
Utility
US 5,676,436 · App. 08/414,868
Positive drive endless rubber belted track
Inventor:
Cullen P. Hart
Patented Case
View Patent ↗
Granted: Oct 14, 1997
Filed: Mar 31, 1995
Inventor
Cullen P. Hart
Assignee (at issue)
Caterpillar Inc.
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.