Granted Patent
Utility
US 4,966,516 · App. 07/275,276
Vehicle access ramp having alternative pivots for stowing
Inventor:
Roger Vartanian
Patented Case
View Patent ↗
Granted: Oct 30, 1990
Filed: Nov 23, 1988
Inventor
Roger Vartanian
Assignee (at issue)
Vartanian 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.