Granted Patent
Utility
US 6,357,793 · App. 09/430,660
Anti-tip wheel
Inventors:
Paul C. Dickie, Darryl R. Pauls
Patented Case
View Patent ↗
Granted: Mar 19, 2002
Filed: Oct 29, 1999
Inventors
Paul C. Dickie
Darryl R. Pauls
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.