Granted Patent
Utility
US 6,021,956 · App. 08/969,452
Thermal image judging method and air conditioner control method
Inventor:
Tatsuo Haraguchi
Patented Case
View Patent ↗
Granted: Feb 8, 2000
Filed: Nov 13, 1997
Inventor
Tatsuo Haraguchi
Assignee (at issue)
Zexel GmbH
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.