Granted Patent
Utility
US 6,572,026 · App. 10/027,473
Compact vehicle heating apparatus and method
Inventors:
Harold R. Enander, Thomas A. Acree
Patented Case
View Patent ↗
Granted: Jun 3, 2003
Filed: Dec 21, 2001
Inventors
Harold R. Enander
Thomas A. Acree
Assignee (at issue)
Vehicle System Co., Ltd.
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.