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:
Jul. 03, 2007
Filed:
Jul. 01, 2003
Samuel J. Gason, St. Paul, MN (US);
William Bedingham, Woodbury, MN (US);
Bathsheba E. Chong Conklin, St. Paul, MN (US);
Patrick L. Coleman, Minneapolis, MN (US);
Peter D. Ludowise, Cottage Grove, MN (US);
Isidro Angelo E. Zarraga, Minneapolis, MN (US);
Samuel J. Gason, St. Paul, MN (US);
William Bedingham, Woodbury, MN (US);
Bathsheba E. Chong Conklin, St. Paul, MN (US);
Patrick L. Coleman, Minneapolis, MN (US);
Peter D. Ludowise, Cottage Grove, MN (US);
Isidro Angelo E. Zarraga, Minneapolis, MN (US);
3M Innovative Properties Company, St. Paul, MN (US);
Abstract
A device includes a substrate having first and second major surfaces and a hub that defines an axis of rotation for the substrate, and an unvented channel having a plurality of connected compartments. Methods for using devices of the invention are also disclosed.