Patent Assignment Assignor Details
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For pending or abandoned applications please consult USPTO staff.
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Assignor Name :
CNPC DRILLING RESEARCH INSTITUTE COMPANY LIMITED
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Total Assignments:
2
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Assignment:
1
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| Reel/Frame: | 048360/0105 | |
| Pages: | 3 |
| | Recorded: | 02/18/2019 | | |
| Attorney Dkt #: | 212033-0002-US01 |
| Conveyance: | CHANGE OF NAME (SEE DOCUMENT FOR DETAILS). |
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Assignee
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| NO.1 BUILDING, NO.5 COURTYARD, |
| HUANGHE STREET, CHANGPING DISTRICT, |
| BEIJING, CHINA 102206 |
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Pat #
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Pub #
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Intl #
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App #
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15744129
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Correspondence name and address
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MICHAEL BEST & FRIEDRICH LLP (MKE)
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100 EAST WISCONSIN AVENUE
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SUITE 3300
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MILWAUKEE, WI 53202
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Assignment:
2
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| Reel/Frame: | 049067/0836 | |
| Pages: | 4 |
| | Recorded: | 05/02/2019 | | |
| Attorney Dkt #: | 212033-0003-US01 |
| Conveyance: | CHANGE OF NAME (SEE DOCUMENT FOR DETAILS). |
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Assignee
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| NO.1 BUILDING, NO.5 COURTYARD, |
| HUANGHE STREET, CHANGPING DISTRICT, |
| BEIJING, CHINA 102206 |
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Pat #
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Pub #
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Intl #
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App #
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15864716
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Correspondence name and address
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MICHAEL BEST & FRIEDRICH LLP
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100 E WISCONSIN AVENUE
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SUITE 3300
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MILWAUKEE, WI 53202
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05/10/2024 11:56 AM
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