Granted Patent
Utility
US 4,324,285 · App. 06/019,684
Apparatus for heating and cooling devices under test
Inventor:
G.L. Henderson
Patented Case
View Patent ↗
Granted: Apr 13, 1982
Filed: Mar 12, 1979
Inventor
G.L. Henderson
Assignee (at issue)
LOCKHEED MARTIN CORPORATION
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.