Granted Patent
Utility
US 5,349,977 · App. 07/680,843
Adjustable walker
Inventor:
Maurice S. Wood
Patented Case
View Patent ↗
Granted: Sep 27, 1994
Filed: Apr 5, 1991
Inventor
Maurice S. Wood
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.