Granted Patent
Utility
US 5,545,197 · App. 08/403,295
Reusable heat or cold chemical therapy pack
Inventor:
Michael L. Bowen
Patented Case
View Patent ↗
Granted: Aug 13, 1996
Filed: Mar 14, 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.