Patent Assignment Abstract of Title
NOTE:Results display only for issued patents and published applications.
For pending or abandoned applications please consult USPTO staff.
Total Assignments:
2
|
Patent #:
|
|
Issue Dt:
|
05/31/2022
|
Application #:
|
17505362
|
Filing Dt:
|
10/19/2021
|
Inventors:
|
Yang BAI, Lingfeng WU, Pingya LUO, Wenzhe LI, Feng DAI, Gang XIE, Haibo LIANG, Kesheng RONG et al
|
Title:
|
FIBER SILICA COMPOSITE MICROSPHERE FOR SHALE STRATUM, DRILLING FLUID AND PREPARATION METHOD AND USE THEREOF
|
|
Assignment:
1
|
|
|
|
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
|
|
|
|
|
|
8 XINDU AVENUE, XINDU DISTRICT |
SICHUAN PROVINCE |
CHENGDU CITY, CHINA 610500 |
|
|
|
YIZHOU LIU |
CALFEE, HALTER & GRISWOLD LLP |
1405 EAST SIXTH STREET |
CLEVELAND, OH 44114-1607 |
|
|
Assignment:
2
|
|
|
|
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
|
|
|
|
|
|
8 XINDU AVENUE, XINDU DISTRICT |
SICHUAN PROVINCE |
CHENGDU CITY, CHINA 610500 |
|
|
|
YIZHOU LIU |
CALFEE, HALTER & GRISWOLD LLP |
1405 EAST SIXTH STREET |
CLEVELAND, OH 44114-1607 |
|
|
Search Results as of:
04/29/2024 09:21 PM
If you have any comments or questions concerning the data displayed,
contact
PRD / Assignments at 571-272-3350. v.2.6
Web interface last modified:
August 25, 2017 v.2.6
|