US Patent
Patent No. US 11280167
Published on Mar 22, 2022
Application No. 16/943503
Filed on Jul 30, 2020
Priority Date -
Inventor/Applicants
Daly, Kerry G. - Conroe, TX US
Classification
International:2
E21B 43/117
E21B 43/119;
Examiner
Stephenson, Daniel P