US Patent 10309564 Extendable spool
Patent 10309564 was granted and assigned to Oil States Energy Services L.L.C. on June, 2019 by the United States Patent and Trademark Office.
Is a
Current Assignee
Date Filed
November 8, 2018
Date of Patent
June 4, 2019
Patent Applicant
Patent Application Number
16184510
Patent Citations Received
Patent Jurisdiction
Patent Number
Patent Primary Examiner
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