Granted Patent
Utility
US 6,220,043 · App. 09/326,911
Apparatus and method for control of a heat pump system
Inventors:
Robert K. Chaney, Jr., Mitchell R. Rowlette, Mark E. Miller
Patented Case
View Patent ↗
Granted: Apr 24, 2001
Filed: Jun 7, 1999
Inventors
Robert K. Chaney, Jr.
Mitchell R. Rowlette
Mark E. Miller
Assignee (at issue)
Texas Instruments 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.