Granted Patent
Utility
US 6,263,531 · App. 09/514,464
Locking-cylinder supported surgical boot
Inventors:
Richard R. Navarro, Yury Keselman
Patented Case
View Patent ↗
Granted: Jul 24, 2001
Filed: Feb 28, 2000
Inventors
Richard R. Navarro
Yury Keselman
Assignee (at issue)
The OR Group, 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.