Assignment of Assignor's Interest

Recorded: 1997-12-10 Pages: 2

Assignors

CARPENTER, ROBERT B.

Executed: 1997-07-15

BLOYS, J. BENJAMIN

Executed: 1997-07-08

JOHNSON, DAVID B.

Executed: 1997-07-11

Assignee

ATLANTIC RICHFIELD COMPANY

2300 W. PLANO PARKWAY, PLANO, TEXAS, 75075

Covered Property (1)

Cement Composition

Patent: 5,989,336 →

Application: 08/889,678 →

Related Assignments (1)

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