Granted Patent
Utility
US 6,467,538 · App. 09/691,871
Vehicle with rapid heater warm up
Inventors:
James Alan Acre, Wayne Oliver Forrest
Patented Case
View Patent ↗
Granted: Oct 22, 2002
Filed: Oct 19, 2000
Inventors
James Alan Acre
Wayne Oliver Forrest
Assignee (at issue)
Delphi Technologies
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.