US Patent 11891864 Pipe handling arm
Patent 11891864 was granted and assigned to National Oilwell Varco on February, 2024 by the United States Patent and Trademark Office.
Is a
Current Assignee
Date Filed
December 11, 2019
0
Date of Patent
February 6, 2024
0
Patent Applicant
Patent Application Number
17310188
0
Patent Citations
•••
Patent Inventor Names
Xi Lin Liu
0
Robert Benjamin Donnally
0
Patent Jurisdiction
Patent Number
Patent Primary Examiner
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