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The ornamental design for a dual-tip marker, as shown and described.
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| Patent | Priority | Assignee | Title |
| 1554803, | |||
| 186059, | |||
| D295878, | Jun 10 1985 | Dual applicator marking instrument | |
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| D540381, | May 03 2005 | BEIFA GROUP CO , LTD | Highlighter |
| D546882, | Mar 25 2005 | BEIFA GROUP CO , LTD | Pen |
| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Feb 01 2007 | MA, LIDAN | BEIFA GROUP CO , LTD | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 018924 | /0098 | |
| Feb 17 2007 | QIU, ZHIMING | BEIFA GROUP CO , LTD | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 018924 | /0098 | |
| Feb 20 2007 | Beifa Group Co., Ltd. | (assignment on the face of the patent) | / |
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