Granted Patent
Utility
US 5,683,438 · App. 08/402,469
Apparatus and method for core body warming of mammals experiencing hypothermia
Inventor:
Dennis A. Grahn
Patented Case
View Patent ↗
Granted: Nov 4, 1997
Filed: Mar 10, 1995
Inventor
Dennis A. Grahn
Assignee (at issue)
Stanford University
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.