Granted Patent
Utility
US 4,831,831 · App. 07/155,869
Thermal storage unit with coil extension during melt
Inventors:
Thomas P. Carter, Lindsay L. Haman, Robert P. Miller, Edward N. Schinner
Patented Case
View Patent ↗
Granted: May 23, 1989
Filed: Feb 16, 1988
Inventors
Thomas P. Carter
Lindsay L. Haman
Robert P. Miller
Edward N. Schinner
Assignee (at issue)
Baltimore Aircoil Company, Inc.
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.