Granted Patent
Utility
US 3,941,195 · App. 05/176,916
Bulldozer with horizontal brace
Inventor:
Robert N. Stedman
Patented Case
View Patent ↗
Granted: Mar 2, 1976
Filed: Sep 1, 1971
Inventor
Robert N. Stedman
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.