Patent Assignment Abstract of Title
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Total Assignments:
1
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Patent #:
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Issue Dt:
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11/23/2021
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Application #:
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17021404
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Filing Dt:
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09/15/2020
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Publication #:
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Pub Dt:
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11/25/2021
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Inventors:
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Jin ZHANG, Chao ZHAO, Jianqiang LI, Jinfeng HUANG, Cheng ZHANG, Yong LIAN, Cheng ZHANG
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Title:
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HOT-WORK DIE STEEL AND A PREPARATION METHOD THEREOF
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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| NO. 30 XUEYUAN ROAD |
| HAIDIAN DISTRICT |
| BEIJING, CHINA 100083 |
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| UMBERG ZIPSER LLP |
| 1920 MAIN STREET, SUITE 750 |
| IRVINE, CA 92614 |
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