Patent Assignment
Reel/Frame 015728/0801
Assignment of Assignor's Interest
Recorded: 2004-08-24
Pages: 7
Assignors
SZYMANSKI, MICHAEL J.
Executed: 2004-08-20
LEWIS, SAMUEL J.
Executed: 2004-08-20
WILSON, J. MICHAEL
Executed: 2004-08-18
KARCHER, ARRON L.
Executed: 2004-08-18
Assignee
HALLIBURTON ENERGY SERVICES, INC.
10200 BELLAIRE BOULEVARD, HOUSTON, TEXAS, 77072
Covered Property
(1)
Cement Compositions Comprising Environmentally Compatible Defoamers and Methods of Use