Granted Patent
Utility
US 6,729,342 · App. 10/447,527
Walker with release mechanism
Inventor:
Michael Serhan
Patented Case
View Patent ↗
Granted: May 4, 2004
Filed: May 29, 2003
Inventor
Michael Serhan
Assignee (at issue)
Dr. K Healthcare Products, 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.