Granted Patent
Utility
US 5,833,086 · App. 08/967,873
Alliance coupler lock lifter securing arm
Inventor:
Horst T. Kaufhold
Patented Case
View Patent ↗
Granted: Nov 10, 1998
Filed: Nov 12, 1997
Inventor
Horst T. Kaufhold
Assignee (at issue)
AMSTED INDUSTRIES INCORPORATED
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.