The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 05, 2007
Filed:
Jun. 28, 2002
Ezzat A. Dabbish, Cary, IL (US);
Walton L. Fehr, Mundelein, IL (US);
Samuel M. Levenson, Arlington Heights, IL (US);
Larry C. Puhl, West Dundee, IL (US);
Jurgen Reinold, Palatine, IL (US);
Ezzat A. Dabbish, Cary, IL (US);
Walton L. Fehr, Mundelein, IL (US);
Samuel M. Levenson, Arlington Heights, IL (US);
Larry C. Puhl, West Dundee, IL (US);
Jurgen Reinold, Palatine, IL (US);
Temic Automotive of North America, Inc., Deer Park, IL (US);
Abstract
The service technician accesses the prospective vehicle and obtains from a certification authority a certification that an authentic vehicle is associated with a cryptographic key. The service technician utilizes the cryptographic key in cryptographic communication with the prospective vehicle via a secure device having limited accessibility but being accessible by the service technician. The service technician determines whether the prospective vehicle is the authentic vehicle based on whether the cryptographic key is successfully utilized in the cryptographic communication with the prospective vehicle.