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:
Nov. 28, 2000
Filed:
Jun. 08, 1998
Applicant:
Inventors:
Edward D Goff, Oakdale, MN (US);
Gerald L Karel, Maplewood, MN (US);
Chester Piotrowski, White Bear Lake, MN (US);
Robert A Sainati, Bloomington, MN (US);
Ching-Long Tsai, Woodbury, MN (US);
Assignee:
3M Innovative Properties Company, St. Paul, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G08B / ;
U.S. Cl.
CPC ...
3405724 ; 3405726 ; 3405727 ;
Abstract
A combination tag is disclosed, including a magnetically-responsive element and a radio frequency-responsive element. In one embodiment, the magnetically-responsive element also functions as an antenna for the radio frequency-responsive element.