Granted Patent
Utility
US 5,871,329 · App. 08/861,326
Powered wheelchair ramp for minivans
Inventors:
Gregg Alan Tidrick, David H. Eaton, Jr.
Patented Case
View Patent ↗
Granted: Feb 16, 1999
Filed: May 21, 1997
Inventors
Gregg Alan Tidrick
David H. Eaton, Jr.
Assignee (at issue)
U.S. Vantage Company LLC
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.