Patent Assignment Assignee Details
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Assignee Name :
DRILLING RESEARCH INSTITUTE OF CHINA NATIONAL PETROLEUM COMPANY
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Total Assignments:
2
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Assignment:
1
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Reel/Frame: | 042180/0005 | |
| Pages: | 5 |
| | Recorded: | 04/28/2017 | | |
Attorney Dkt #: | 35742/04040 |
Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). |
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Assignee
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ROOM 611, A BLOCK, NO.1 |
BUILDING, NO.5 YARD, YELLOW RIVER STREET, CHANGPING DISTRICT |
BEIJING CITY, CHINA |
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Pat #
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Pub #
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Intl #
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App #
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15418283
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Correspondence name and address
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CALFEE, HALTER & GRISWOLD LLP
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THE CALFEE BUILDING
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1405 EAST SIXTH STREET
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CLEVELAND, OH 44114-1607
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Assignment:
2
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Reel/Frame: | 042180/0474 | |
| Pages: | 5 |
| | Recorded: | 04/28/2017 | | |
Attorney Dkt #: | 35742/04041 |
Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). |
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Assignee
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ROOM 611, A BLOCK, NO.1 |
BUILDING, NO.5 YARD, YELLOW RIVER STREET, CHANGPING DISTRICT |
BEIJING CITY, CHINA |
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Pat #
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Pub #
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Intl #
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App #
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15418298
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Correspondence name and address
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CALFEE, HALTER & GRISWOLD LLP
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THE CALFEE BUILDING
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1405 EAST SIXTH STREET
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CLEVELAND, OH 44114-1607
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