Granted Patent
Utility
US 4,537,138 · App. 06/510,764
Radial trucks
Inventor:
Robert L. Bullock
Patented Case
View Patent ↗
Granted: Aug 27, 1985
Filed: Jul 5, 1983
Inventor
Robert L. Bullock
Assignee (at issue)
STANDARD CAR TRUCK COMPANY
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.