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The ornamental design for a spirit level, as shown and described.
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| Patent | Priority | Assignee | Title |
| Patent | Priority | Assignee | Title |
| 9964407, | Jul 08 2016 | Klein Tools, Inc | Leveling device |
| 20180120104, | |||
| D719470, | Jul 23 2013 | Plumber's level |
| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Dec 07 2017 | Ching Lin Plastic Industry Co., Ltd. | (assignment on the face of the patent) | / | |||
| Dec 07 2017 | LIAO, WEN-HSIN | CHING LIN PLASTIC INDUSTRY CO , LTD | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 044325 | /0475 |
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