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:
|
09/15/1981
|
Application #:
|
06105815
|
Filing Dt:
|
12/20/1979
|
Inventors:
|
EDWIN A. RICHARSON, RONALD F. SCHEUERMAN, DAVID C. BERSKHIRE
|
Title:
|
CHEMICAL PROCESS FOR BACKSURGING FLUID THROUGH WELL CASING PERFORATIONS
|
|
Assignment:
1
|
|
|
|
ASSIGNMENT OF ASSIGNORS INTEREST.
|
|
|
|
|
|
|
H. W. CORYELL |
SHELL DEV. CO., PATS. & LIC. DIV |
P. O. BOX 2463 |
HOUSTON, TX 77001 |
|
|
Search Results as of:
06/18/2024 04:51 AM
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
|