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GRANT PRIDECO, INC., Subsequent Owner After Registration GP USA HOLDING, LLC, Subsequent Owner After Registration REEDHYCALOG, L.P., Subsequent Owner After Registration Camco International Inc., Original Registrant

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DURADIAMOND

75319307 | Trademark

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Filed July 3, 1997

Serial No. 75319307

Registered Sept. 15, 1998

Registration No. 2,189,219

Class downhole drilling tools, namely, drill bits and core bits; 013; 019; 021; 023; 031; 034; 035

Case Type Trademark

Status The registration has been renewed.

Last Updated: 19 hours ago

Filing Date	#	Docket Text
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DURADIAMOND

75319307 | Trademark

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