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:
Oct. 01, 2013
Filed:
Sep. 19, 2005
Paul M. Boucher, Lake Elmo, MN (US);
Michael A. Yandrasits, Hastings, MN (US);
Katherine A. S. Graham, Roseville, MN (US);
Eric J. Hanson, Hudson, WI (US);
Paul M. Boucher, Lake Elmo, MN (US);
Michael A. Yandrasits, Hastings, MN (US);
Katherine A. S. Graham, Roseville, MN (US);
Eric J. Hanson, Hudson, WI (US);
3M Innovative Properties Company, Saint Paul, MN (US);
Abstract
An electrochemical device subassembly is provided that includes a membrane electrode assembly and a gasket. The membrane electrode assembly includes an electrolyte membrane having a first major surface, a second major surface opposite the first major surface, and a peripheral edge. The gasket is disposed adjacent the first major surface of the electrolyte membrane at the peripheral edge, and has a plurality of replicated structures that extend greater than about 250 micrometers from a surface of the gasket.