Granted Patent
Utility
US 6,463,825 · App. 10/012,544
Brake turntable for actuating a brake system for a walker
Inventor:
Charles Lee
Patented Case
View Patent ↗
Granted: Oct 15, 2002
Filed: Dec 12, 2001
Inventor
Charles Lee
Assignees (at issue)
APEX MEDICAL CORP.
Essential Medical Supply, 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.