Fuel cell

Equipment for production – distribution – or transformation of ene – Energy conversion or transformation

Design Patent

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Design Patent

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D0642118

CLAIM:
We claim the ornamental design for a fuel cell, as shown and described.

REFERENCES:
patent: D137609 (1944-04-01), Christie
patent: D194470 (1963-01-01), Parmet
patent: 3247312 (1966-04-01), Alessi
patent: D293863 (1988-01-01), Chester
patent: D315996 (1991-04-01), Barth et al.
patent: D390835 (1998-02-01), Mayfield, III
patent: D492650 (2004-07-01), Nishi
patent: D543161 (2007-05-01), Stepputat
patent: D574767 (2008-08-01), Hall et al.
patent: D590767 (2009-04-01), Brantley et al.
patent: D1227734 (2005-01-01), None
patent: D1380462 (2010-02-01), None

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