Granted Patent
Utility
US 6,038,871 · App. 09/197,963
Dual mode control of a variable displacement refrigerant compressor
Inventors:
Ernesto Gutierrez, III, Charles Andrew Archibald, Christopher M. Kachur, Giles M. Brandon
Patented Case
View Patent ↗
Granted: Mar 21, 2000
Filed: Nov 23, 1998
Inventors
Ernesto Gutierrez, III
Charles Andrew Archibald
Christopher M. Kachur
Giles M. Brandon
Assignee (at issue)
General Motors LLC
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.