Granted Patent
Utility
US 4,826,199 · App. 07/173,822
Fifth wheel hitch
Inventor:
James W. Chambers
Patented Case
View Patent ↗
Granted: May 2, 1989
Filed: Mar 28, 1988
Inventor
James W. Chambers
Assignee (at issue)
Atwood Industries, Inc.
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.