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:
Sep. 10, 2002
Filed:
Mar. 13, 2001
Sharon R. Garber, Crystal, MN (US);
Bernard A. Gonzalez, St. Paul, MN (US);
Mitchell B. Grunes, Minneapolis, MN (US);
Richard H. Jackson, Inver Grove Heights, MN (US);
Gerald L. Karel, Maplewood, MN (US);
John M. Kruse, Minneapolis, MN (US);
Richard W. Lindahl, Oakdale, MN (US);
James E. Nash, Bloomington, MN (US);
Chester Piotrowski, White Bear Lake, MN (US);
John D. Yorkovich, Maplewood, MN (US);
3M Innovative Properties Company, St. Paul, MN (US);
Abstract
The present invention relates to RFID devices, including handheld RFID devices, and applications for such devices. The devices and applications may be used in connection with items that are associated with an RFID tag, and optionally a magnetic security element. The devices and applications are described with particular reference to library materials such as books, periodicals, and magnetic and optical media.