Granted Patent
Utility
US 6,089,032 · App. 09/181,682
Method of retrofitting air conditioner and system therefor
Inventor:
Saul Trachtenberg
Patented Case
View Patent ↗
Granted: Jul 18, 2000
Filed: Oct 28, 1998
Inventor
Saul Trachtenberg
Assignee (at issue)
Interdynamics 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.