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:
Jul. 08, 2003
Filed:
Dec. 16, 2000
Applicant:
Inventors:
Mark W. Kroll, Simi Valley, CA (US);
Karl J. F. Kroll, Maple Grove, MN (US);
Assignee:
Kroll Family Trust, Simi Valley, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01S 5/04 ;
U.S. Cl.
CPC ...
G01S 5/04 ;
Abstract
A method of using radio frequency communications is taught for location of an automobile for the convenience of the owner. In addition, a method of using magnetic dead reckoning is taught. Methods and apparatus using cellular phones are taught.