Granted Patent
Utility
US 4,806,062 · App. 07/114,015
Stowable lift for freight vehicles
Inventor:
Herbert A. Stier
Patented Case
View Patent ↗
Granted: Feb 21, 1989
Filed: Oct 29, 1987
Inventor
Herbert A. Stier
Assignee (at issue)
Maxon 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.