Granted Patent
Utility
US 6,546,768 · App. 09/385,370
Ignition lock system for motor vehicles
Inventors:
Heinz-Georg Burghoff, Hartmut Fitz, Michael Geber
Patented Case
View Patent ↗
Granted: Apr 15, 2003
Filed: Aug 30, 1999
Inventors
Heinz-Georg Burghoff
Hartmut Fitz
Michael Geber
Assignee (at issue)
Daimlerchrysler AG
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.