Granted Patent
Utility
US 5,992,871 · App. 09/222,841
Swing-away trailer hitch/coupler and method of manufacturing
Inventors:
Edward R. Rowland, Thomas W. Hunsucker
Patented Case
View Patent ↗
Granted: Nov 30, 1999
Filed: Dec 30, 1998
Inventors
Edward R. Rowland
Thomas W. Hunsucker
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.