Polycrystalline material element with improved wear resistance and methods of manufacture thereof

Inventors: Nigel Dennis Griffin, Peter Raymond Hughes

Provisional Application Expired

	Code	Description	Pages	PDF
2002-03-28	`TRNA`	Transmittal of New Application	5	View
2002-03-28	`ADS`	Application Data Sheet	2	View
2002-03-28	`SPEC`	Specification	13	View
2002-03-28	`CLM`	Claims	4	View
2002-03-28	`ABST`	Abstract	2	View
2002-03-28	`DRW`	Drawings-only black and white line drawings	4	View

Inventors

Nigel Dennis Griffin Nympsfield, UNITED KINGDOM

Peter Raymond Hughes Stroud, UNITED KINGDOM

Attorneys & Agents of Record

CAROL SMITH Reg. 66084 Attorney · NATIONAL OILWELL VARCO

DAVID MATTHEWS Reg. 33959 Attorney · NASA

JONNA TREBLE Reg. 56803 Attorney · NATIONAL OILWELL VARCO

Prosecution

DEUTSCHE BANK TRUST COMPANY AMERICAS

from REED-HYCALOG OPERATING, L.P.

GRANT OF PATENT (SECURITY AGREEMENT) Recorded 2003-01-06

REED HYCALOG OPERATING LP

from SCHLUMBERGER TECHNOLOGY CORPORATION

ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded 2002-11-22

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