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:
1
|
|
Patent #:
|
|
Issue Dt:
|
06/23/1992
|
Application #:
|
07683688
|
Filing Dt:
|
04/11/1991
|
|
Inventor:
|
FENG WANG
|
|
Title:
|
NEW DRILLING FLUID THINNERS
|
|
|
Assignment:
1
|
|
|
|
|
|
|
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
|
|
|
|
|
|
|
|
|
| 38 GAONENG STREET, DALIAN HIGH-TECH |
| INDUSTRIAL ZONE, DALIAN CITY |
| LIANING, CHINA 11602 |
|
|
|
|
| BIRCH, STEWART, KOLASCH & BIRCH, LLP |
| JOSEPH A. KOLASCH |
| P.O. BOX 747 |
| FALLS CHURCH, VA 22040-0747 |
|
|
Search Results as of:
04/28/2024 01:40 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
|
