Granted Patent
Utility
US 6,768,423 · App. 10/080,098
Cab environment warning and control method and apparatus
Inventors:
Robert D. Doescher, Alan G. Leupold, Peter Kennedy
Patented Case
View Patent ↗
Granted: Jul 27, 2004
Filed: Feb 21, 2002
Inventors
Robert D. Doescher
Alan G. Leupold
Peter Kennedy
Assignee (at issue)
Case GmbH
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.