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:
Aug. 21, 2007
Filed:
Dec. 08, 2003
Katherine A. Brown, Lake Elmo, MN (US);
William C. Egbert, Minneapolis, MN (US);
Jia HU, Mounds View, MN (US);
Thomas C. Mercer, Maplewood, MN (US);
Terry S. Nees, Shoreview, MN (US);
Fay T. Salmon, Eden Prairie, MN (US);
Katherine A. Brown, Lake Elmo, MN (US);
William C. Egbert, Minneapolis, MN (US);
Jia Hu, Mounds View, MN (US);
Thomas C. Mercer, Maplewood, MN (US);
Terry S. Nees, Shoreview, MN (US);
Fay T. Salmon, Eden Prairie, MN (US);
3M Innovative Properties Company, St. Paul, MN (US);
Abstract
A durable radio frequency identification tag. A preferred embodiment of the invention provides a durable radio frequency identification tag comprising: a flexible substrate including a first major surface and a second major surface opposite the first major surface; a radio frequency identification antenna attached to the first major surface of the substrate; an integrated circuit attached to the antenna; and a thermoplastic guard attached to the flexible substrate adjacent the integrated circuit. The present invention also provides a method of manufacturing a durable radio frequency identification tag.