Granted Patent
Utility
US 6,178,562 · App. 09/493,746
Cap and vest garment components of an animate body heat exchanger
Inventor:
William Elkins
Patented Case
View Patent ↗
Granted: Jan 30, 2001
Filed: Jan 28, 2000
Inventor
William Elkins
Assignee (at issue)
CoolSystems, 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.