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. 02, 2012
Filed:
Jul. 02, 2007
Thomas A. Trabold, Pittsford, NY (US);
Gayatri Vyas Dadheech, Rochester Hills, MI (US);
Mahmoud H. Abd Elhamid, Grosse Pointe Woods, MI (US);
Yan Zhang, Victor, NY (US);
Keith E. Newman, Pittsford, NY (US);
Jeffrey A. Rock, Fairport, NY (US);
Steven J. Spencer, Rochester, NY (US);
Thomas A. Trabold, Pittsford, NY (US);
Gayatri Vyas Dadheech, Rochester Hills, MI (US);
Mahmoud H. Abd Elhamid, Grosse Pointe Woods, MI (US);
Yan Zhang, Victor, NY (US);
Keith E. Newman, Pittsford, NY (US);
Jeffrey A. Rock, Fairport, NY (US);
Steven J. Spencer, Rochester, NY (US);
GM Global Technology Operations LLC, Detroit, MI (US);
Abstract
One embodiment of the invention comprises a fuel cell bipolar plate comprising a substrate comprising a first face, a reactant gas flow field defined in the first face, the reactant gas flow field comprising a plurality of lands and channels, and a plurality of microgrooves formed in the first face.