Granted Patent
Utility
US 4,890,684 · App. 07/184,767
Articulated vehicle with hinged joint
Inventor:
Jack Simmons
Patented Case
View Patent ↗
Granted: Jan 2, 1990
Filed: Apr 22, 1988
Inventor
Jack Simmons
Assignee (at issue)
Simmons-Rand 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.