Assignment of Assignor's Interest

Recorded: 2003-12-03 Received: 2003-12-05 Pages: 2

Assignors

GRIFFIN, NIGEL DENNIS

Executed: 2002-04-29

HUGHES, PETER R.

Executed: 2002-04-29

Assignee

CAMCO INTERNATIONAL (UK) LIMITED

OLDENDS LANE INDUSTRIAL ESTATE, STONEHOUSE, GBX, GL10 3RQ, UNITED KINGDOM

Covered Properties (3)

High Volume Density Polycrystalline Diamond with Working Surfaces Depleted of Catalyzing Material

Application: 10/604,210 →

Method of Making Polycrystalline Diamond with Working Surfaces Depleted of Catalyzing Material

Application: 10/065,363 →

High Volume Density Polycrystalline Diamond with Working Surfaces Depleted of Catalyzing Material

Application: 09/683,386 →