Granted Patent
Utility
US 6,184,578 · App. 07/486,573
Graphite composite heat pipe
Inventors:
William T. Gardner, Kiho D. Sohn
Patented Case
View Patent ↗
Granted: Feb 6, 2001
Filed: Feb 28, 1990
Inventors
William T. Gardner
Kiho D. Sohn
Assignee (at issue)
HUGHES ELECTRONICS LIMITED
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.