Granted Patent
Utility
US 4,364,237 · App. 06/230,486
Microcomputer control for inverter-driven heat pump
Inventors:
Kenneth W. Cooper, Jacob E. Shaffer, Jr.
Patented Case
View Patent ↗
Granted: Dec 21, 1982
Filed: Feb 2, 1981
Inventors
Kenneth W. Cooper
Jacob E. Shaffer, Jr.
Assignee (at issue)
BorgWarner 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.