Assignment of Assignor's Interest

Recorded: 1999-10-29 Pages: 3

Assignor

CRAWFORD, DONALD

Executed: 1999-10-21

Assignee

SUN DRILLING PRODUCTS, INC.

1450 POYDRAS, CNG TOWER, NEW ORLEANS, LOUISIANA, 70112

Covered Property (1)

High Pressure, High Temperature (Hpht) Fluid Loss Control Aid for Drilling Fluids

Patent: 6,395,686 →

Application: 09/429,252 →

Publication: US 2001/0008876

Related Assignments (2)

Other recorded transfers of the patent in this record — the chain of ownership.