Granted Patent
Utility
US 6,726,435 · App. 10/267,260
Lift for a personal mobility vehicle or wheelchair
Inventors:
Chad Williams, Jeff DuVal
Patented Case
View Patent ↗
Granted: Apr 27, 2004
Filed: Oct 8, 2002
Inventors
Chad Williams
Jeff DuVal
Assignee (at issue)
Chadco Enterprises, 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.