Si; Shangjin
Patent Applications and Registrations
Patent applications and USPTO patent grants for Si; Shangjin.The latest application filed is for "ceramic ball automatic sorting system and method".
- Si; Shangjin - Zibo CN
- Si; Shangjin - Zibo City CN
| Patent | Date |
|---|---|
| Ceramic ball automatic sorting system and method Grant 11,327,028 - Song , et al. May 10, 2 | 2022-05-10 |
| Ceramic Ball Automatic Sorting System and Method App 20210187556 - Song; Jian ; et al. | 2021-06-24 |
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