Granted Patent
Utility
US 4,035,036 · App. 05/622,206
Noise suppressing element for continuous track of crawler type vehicle and method of operating same
Inventors:
Roger L. Boggs, Eugene R. Groff, Paul L. Wright
Patented Case
View Patent ↗
Granted: Jul 12, 1977
Filed: Oct 14, 1975
Inventors
Roger L. Boggs
Eugene R. Groff
Paul L. Wright
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.