Granted Patent
Utility
US 6,234,507 · App. 09/551,691
Suspension system for a wheelchair
Inventors:
Paul C. Dickie, Robert A. Taylor
Patented Case
View Patent ↗
Granted: May 22, 2001
Filed: Apr 18, 2000
Inventors
Paul C. Dickie
Robert A. Taylor
Assignee (at issue)
Sunrise Medical HHG, 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.