Granted Patent
Utility
US 6,574,734 · App. 09/221,889
Method and apparatus for securing access to automotive devices and software services
Inventors:
James C. Colson, Stephen G. Graham
Patented Case
View Patent ↗
Granted: Jun 3, 2003
Filed: Dec 28, 1998
Inventors
James C. Colson
Stephen G. Graham
Assignee (at issue)
International Business Machines Corporation
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.