Patent Assignment Abstract of Title
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Total Assignments:
3
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Patent #:
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Issue Dt:
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10/20/2020
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Application #:
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15864716
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Filing Dt:
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01/08/2018
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Publication #:
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Pub Dt:
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11/01/2018
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Inventors:
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Hongying Zhang, Na Wang, Yanfu Huang, Ping Yu, Lin Shi
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Title:
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CEMENTING PLUG
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Assignment:
1
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CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
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| NO.1 BUILDING, NO.5 COURTYARD, |
| HUANGHE STREET, CHANGPING DISTRICT, |
| BEIJING, CHINA 102206 |
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| MICHAEL BEST & FRIEDRICH LLP |
| 100 EAST WISCONSIN AVENUE |
| SUITE 3300 |
| MILWAUKEE, WI 53202 |
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Assignment:
2
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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| 9 DONGZHIMEN NORTH STREET, DONGCHENG DISTRICT |
| BEIJING, CHINA 100007 |
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| A34 PLOTS, CHINA PETROLEUM INNOVATION BASE, XISHATUN BRIDGE WEST, SHAHE TOWN, CHANGPING DISTRICT |
| BEIJING, CHINA 102206 |
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| NO. 9 NENGYUAN SOUTH STREET, CHANGPING DISTRICT |
| BEIJING, CHINA 102206 |
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| MICHAEL BEST & FRIEDRICH LLP (MKE) |
| 100 E WISCONSIN AVENUE |
| SUITE 3300 |
| MILWAUKEE, WI 53202 |
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Assignment:
3
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CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
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| NO.1 BUILDING, NO.5 COURTYARD, |
| HUANGHE STREET, CHANGPING DISTRICT, |
| BEIJING, CHINA 102206 |
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| MICHAEL BEST & FRIEDRICH LLP |
| 100 E WISCONSIN AVENUE |
| SUITE 3300 |
| MILWAUKEE, WI 53202 |
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