Ballpoint pen

Office supplies; artists and teachers materials – Equipment for writing – drawing – or for fine arts – Marking instrument

Design Patent

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Details

Design Patent

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D0646325

CLAIM:
The ornamental design for a ballpoint pen, as shown and described.

REFERENCES:
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patent: D319844 (1991-09-01), Grotsch et al.
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patent: D589556 (2009-03-01), Keda
patent: D602087 (2009-10-01), Rommel
patent: D620047 (2010-07-01), Rommel
patent: D620980 (2010-08-01), Rommel
patent: D624124 (2010-09-01), Mori
patent: D629846 (2010-12-01), Losel
patent: D631508 (2011-01-01), Briggl

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