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The ornamental design for a concrete screw with ring groove, as shown and described.
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| Patent | Priority | Assignee | Title |
| 11739783, | Apr 30 2021 | Simpson Strong-Tie Company Inc.; SIMPSON STRONG-TIE COMPANY INC | Concrete fastener |
| D909858, | Jun 19 2019 | Bolt | |
| ER198, | |||
| ER6418, |
| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Jan 15 2018 | Ningbo Anchor Fasteners Industrial Co., Ltd. | (assignment on the face of the patent) | / | |||
| Jan 15 2018 | ZHANG, JINQING | NINGBO ANCHOR FASTENERS INDUSTRIAL CO , LTD | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 045337 | /0235 |
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