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The ornamental design for a writing instrument, as shown and described.
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Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Aug 13 2008 | Johann Froescheis Lyra-Bleistift-Fabrik GmbH & Co. KG | (assignment on the face of the patent) | / | |||
Sep 09 2008 | HILLEMANN, MARKUS | JOHANN FROESCHEIS LYRA-BLEISTIFT-FABRIK GMBH & CO KG | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 021556 | /0495 |
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