Granted Patent
Utility
US 4,411,329 · App. 06/355,098
Vehicle with multi-directional movement capabilities
Inventor:
Robert N. Stedman
Patented Case
View Patent ↗
Granted: Oct 25, 1983
Filed: Jan 11, 1982
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.