Granted Patent
Utility
US 4,154,292 · App. 05/868,532
Heat exchange method and device therefor for thermal energy storage
Inventor:
Carlyle S. Herrick
Patented Case
View Patent ↗
Granted: May 15, 1979
Filed: Jan 11, 1978
Inventor
Carlyle S. Herrick
Assignee (at issue)
General Electric 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.