Granted Patent
Utility
US 4,071,277 · App. 05/665,733
Forward dumping truck construction
Inventor:
Robert N. Stedman
Patented Case
View Patent ↗
Granted: Jan 31, 1978
Filed: Mar 11, 1976
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.