Recording – communication – or information retrieval equipment – Computer – data processor equipment – Peripheral equipment

Design Patent

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Design Patent



The ornamental design for a keyboard, as shown and described.

patent: D335660 (1993-05-01), Busch
patent: D428010 (2000-07-01), Jones
patent: D502943 (2005-03-01), Ma et al.
patent: D503711 (2005-04-01), Fukami et al.
patent: 2003/0016209 (2003-01-01), Narusawa et al.
patent: 2004/0257247 (2004-12-01), Lin et al.
patent: 981452 (1997-05-01), None


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