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I claim the ornamental design for a caulking gun, as shown and described.
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The broken lines in the drawings illustrate portions of the caulking gun which form no part of the claimed design.
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Dec 07 2015 | HUNG, HUNG-CHIH | SIANG SYUAN FU ENTERPRISE CO , LTD | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 037368 | /0049 | |
| Dec 09 2015 | SIANG SYUAN FU ENTERPRISE CO., LTD. | (assignment on the face of the patent) | / |
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