Granted Patent
Utility
US 5,620,411 · App. 08/250,271
Ankle brace walker
Inventors:
Gail H. Schumann, Vernon L. Stevenson
Patented Case
View Patent ↗
Granted: Apr 15, 1997
Filed: May 27, 1994
Inventors
Gail H. Schumann
Vernon L. Stevenson
Assignee (at issue)
Tecnol Medical 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.