Granted Patent
Utility
US 5,724,993 · App. 08/580,708
Inflatable spinal traction device
Inventor:
Matthew J. Dunfee
Patented Case
View Patent ↗
Granted: Mar 10, 1998
Filed: Dec 29, 1995
Inventor
Matthew J. Dunfee
Assignee (at issue)
Antigee Advantage International, 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.