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:
Dec. 25, 2018
Filed:
Mar. 15, 2012
Michael D. Kozal, Caledonia, MI (US);
Peter Wojtas, Grand Rapids, MI (US);
William Kanouse, Rockford, MI (US);
Stacey Broom, Jenison, MI (US);
Roger L. Whitley, Wyoming, MI (US);
Michael D. Kozal, Caledonia, MI (US);
Peter Wojtas, Grand Rapids, MI (US);
William Kanouse, Rockford, MI (US);
Stacey Broom, Jenison, MI (US);
Roger L. Whitley, Wyoming, MI (US);
Pridgeon & Clay, Inc., Grand Rapids, MI (US);
Abstract
A method of manufacturing a fuel cell electrode includes stamping an electrode workpiece () in a sequence configured to control and/or reduce material growth, such as stamping discrete sections of the electrode workpiece in a sequential order. The method can employ a die with a die face () having a plurality of projections (), wherein each projection has a top surface () with a concave curve along at least one plane to control and/or reduce material growth during a stamping operation.