U.S. patent number D843,825 [Application Number D/611,380] was granted by the patent office on 2019-03-26 for expansion screw. This patent grant is currently assigned to Masterpiece Hardware Industrial Co. Ltd, Rick Wang. The grantee listed for this patent is Rick Wang. Invention is credited to Rick Wang.
United States Patent | D843,825 |
Wang | March 26, 2019 |
Inventors: | Wang; Rick (Changhua, TW) | ||||||||||
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Applicant: |
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Assignee: | Masterpiece Hardware Industrial Co.
Ltd (Changhua, TW) Wang; Rick (Changhua, TW) |
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Appl. No.: | D/611,380 | ||||||||||
Filed: | July 20, 2017 |
Current U.S. Class: | D8/385; D8/387 |
Current International Class: | 0808 |
Field of Search: | ;D8/385,387,388,393,349,354,382 |
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