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Reel/Frame:048475/0367   Pages: 5
Recorded: 02/28/2019
Attorney Dkt #:RAP3-PT128
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Total properties: 1
1
Patent #:
Issue Dt:
07/02/2019
Application #:
16288721
Filing Dt:
02/28/2019
Title:
MICRO-NANO COMPOSITE PLUGGING AGENT FOR DRILLING FLUID AND PREPARATION METHOD THEREOF, AND DRILLING FLUID AND USE THEREOF
Assignors
1
Exec Dt:
02/28/2019
2
Exec Dt:
02/28/2019
3
Exec Dt:
02/28/2019
4
Exec Dt:
02/28/2019
5
Exec Dt:
02/28/2019
6
Exec Dt:
02/28/2019
7
Exec Dt:
02/28/2019
Assignee
1
8 XINDU AVENUE, XINDU DISTRICT
CHENGDU CITY, SICHUAN PROVINCE, CHINA 610500
Correspondence name and address
VOLPE AND KOENIG, P.C.
30 SOUTH 17TH STREET, 18TH FLOOR
PHILADELPHIA, PA 19103

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