Granted Patent
Utility
US 6,312,002 · App. 09/332,472
Wheel lock and wheelchair with a wheel lock
Inventor:
Murray G. Slagerman
Patented Case
View Patent ↗
Granted: Nov 6, 2001
Filed: Jun 14, 1999
Inventor
Murray G. Slagerman
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.