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The ornamental design for a writing instrument, as shown and described.
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Patent | Priority | Assignee | Title |
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D765784, | Sep 24 2015 | Ballpoint pen |
Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Sep 18 2006 | Senator GmbH & Co. KGaA | (assignment on the face of the patent) | / | |||
Oct 06 2007 | ROMMEL, VOLKMAR | SENATOR GMBH & CO KGAA | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 020046 | /0565 |
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