Granted Patent
Utility
US 6,212,902 · App. 09/416,068
Gas absorption cooling system
Inventor:
David W. Leistner
Patented Case
View Patent ↗
Granted: Apr 10, 2001
Filed: Oct 12, 1999
Inventor
David W. Leistner
Assignee (at issue)
NORCOLD, 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.