Granted Patent
Utility
US 4,757,688 · App. 06/846,764
Solid-state electrocaloric cooling system and method
Inventors:
Al Basiulis, Robert Berry
Patented Case
View Patent ↗
Granted: Jul 19, 1988
Filed: Apr 1, 1986
Inventors
Al Basiulis
Robert Berry
Assignee (at issue)
Hughes Aircraft Company
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.