Granted Patent
Utility
US 5,140,830 · App. 07/784,918
Self-contained indoor air conditioning system
Inventor:
Kevin Sawyer
Patented Case
View Patent ↗
Granted: Aug 25, 1992
Filed: Oct 30, 1991
Inventor
Kevin Sawyer
Assignee (at issue)
Consolidated Technology Corp.
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.