Granted Patent
Utility
US 4,454,821 · App. 06/317,305
Radial articulated truck
Inventor:
William W. Dickhart, III
Patented Case
View Patent ↗
Granted: Jun 19, 1984
Filed: Nov 2, 1981
Inventor
William W. Dickhart, III
Assignee (at issue)
The Budd 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.