Granted Patent
Utility
US 4,220,195 · App. 06/042,165
Ion drag pumped heat pipe
Inventors:
Milton J. Borgoyn, Archer S. Mitchell
Patented Case
View Patent ↗
Granted: Sep 2, 1980
Filed: May 24, 1979
Inventors
Milton J. Borgoyn
Archer S. Mitchell
Assignee (at issue)
The United States of America, as represented by the Secretary of the Navy
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.