Granted Patent
Utility
US 5,792,213 · App. 08/559,469
Hot or cold chemical therapy pack
Inventor:
Michael L. Bowen
Patented Case
View Patent ↗
Granted: Aug 11, 1998
Filed: Nov 15, 1995
Inventor
Michael L. Bowen
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.