Granted Patent
Utility
US 5,170,633 · App. 07/719,921
Desiccant based air conditioning system
Inventor:
Vladimir Kaplan
Patented Case
View Patent ↗
Granted: Dec 15, 1992
Filed: Jun 24, 1991
Inventor
Vladimir Kaplan
Assignee (at issue)
AMSTED INDUSTRIES INCORPORATED
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.