Granted Patent
Utility
US 6,464,447 · App. 09/866,198
Dual function inboard barrier/bridgeplate assembly for wheelchair lifts
Inventors:
James R. Dupuy, Alfred L. Budd, James R. Pierrou, Barry E. Wolff
Patented Case
View Patent ↗
Granted: Oct 15, 2002
Filed: May 25, 2001
Inventors
James R. Dupuy
Alfred L. Budd
James R. Pierrou
Barry E. Wolff
Assignee (at issue)
The Braun Corporation
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.