Granted Patent
Utility
US 6,549,408 · App. 09/992,751
CPU cooling device using thermo-siphon
Inventor:
David M. Berchowitz
Patented Case
View Patent ↗
Granted: Apr 15, 2003
Filed: Nov 16, 2001
Inventor
David M. Berchowitz
Assignee (at issue)
Global Cooling, 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.