Granted Patent
Utility
US 6,720,862 · App. 09/758,807
Apparatus and method for preventing un-authorized starting of a vehicle
Inventors:
Lawrence Dean Hazelton, Kenneth Hollis
Patented Case
View Patent ↗
Granted: Apr 13, 2004
Filed: Jan 11, 2001
Inventors
Lawrence Dean Hazelton
Kenneth Hollis
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.