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:
Oct. 22, 2002
Filed:
Oct. 22, 1997
Thomas J. Dahlin, St. Louis Park, MN (US);
Gregory F. Jacobs, Woodbury, MN (US);
David M. Hopstock, Roseville, MN (US);
Robert L. Keech, White Bear Lake, MN (US);
Richard E. Fayling, White Bear Lake, MN (US);
Richard G. Newell, Woodbury, MN (US);
Claud M. Lacey, Eagan, MN (US);
Bernard A. Gonzalez, St. Paul, MN (US);
3M Innovative Properties Company, St. Paul, MN (US);
Abstract
Magnetic, conformable articles for use with traffic bearing surfaces are disclosed which comprise an organic binder having magnetic particles distributed therein. The articles may be employed in intelligent vehicle guidance systems, and in systems to guide other mobile objects such as farm animals, pets, or visually impaired pedestrians. Methods of making the articles and methods of using the systems to control and/or guide a mobile object using the magnetic field generated from the articles are also described.