Granted Patent
Utility
US 5,865,841 · App. 08/450,641
Cold therapy apparatus
Inventors:
Paul Kolen, Thomas Davidson Ford
Patented Case
View Patent ↗
Granted: Feb 2, 1999
Filed: May 25, 1995
Inventors
Paul Kolen
Thomas Davidson Ford
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.