Granted Patent
Utility
US 6,101,821 · App. 09/316,404
Ice thermal storage coil systems and methods
Inventor:
Robert E. Cates
Patented Case
View Patent ↗
Granted: Aug 15, 2000
Filed: May 21, 1999
Inventor
Robert E. Cates
Assignee (at issue)
Evapco International, 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.