Granted Patent
Utility
US 5,257,796 · App. 07/857,782
Integrated cam lever/handle lock fifth wheel
Inventors:
Gregory R. Thorwall, Gerald W. Hungerink, John Thomas Buckley
Patented Case
View Patent ↗
Granted: Nov 2, 1993
Filed: Mar 26, 1992
Inventors
Gregory R. Thorwall
Gerald W. Hungerink
John Thomas Buckley
Assignee (at issue)
Holland Hitch 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.