Patent Assignment
Reel/Frame 013251/0437
Assignment of Assignor's Interest
Recorded: 2002-09-03
Pages: 3
Assignee
SCHLUMBERGER TECHNOLOGIES, INC.
150 BAYTECH DRIVE, SAN JOSE, CALIFORNIA, 95134-2302
Covered Property
(1)
Method for Determining Thickness of a Semiconductor Substrate at the Floor of a Trench
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.