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. 18, 2012
Filed:
Nov. 16, 2006
Larry J. Carson, Maplewood, MN (US);
Joel R. Dufresne, St. Paul, MN (US);
Patrick R. Fleming, Lake Elmo, MN (US);
Michael C. Lea, Bracknell, GB;
Nicholas A. Lee, Woodbury, MN (US);
John Shigeura, Portola Valley, CA (US);
Larry J. Carson, Maplewood, MN (US);
Joel R. Dufresne, St. Paul, MN (US);
Patrick R. Fleming, Lake Elmo, MN (US);
Michael C. Lea, Bracknell, GB;
Nicholas A. Lee, Woodbury, MN (US);
John Shigeura, Portola Valley, CA (US);
3M Innovative Properties Company, St. Paul, MN (US);
Life Technologies Corporation, Carlsbad, CA (US);
Abstract
An analytical cell including a lightguide with a plurality of conduits filled with a migration medium. The medium, the lightguide and a surrounding medium have refractive indices selected such that light entering the lightguide is internally reflected within the lightguide to provide substantially uniform illumination of the conduits.