IP Library Assignment 013250/0551
Patent Assignment
Reel/Frame 013250/0551

Assignment of Assignor's Interest

Recorded: 2002-09-03 Pages: 3
Assignors
LE ROY, ERWAN
Executed: 2002-07-24
THOMPSON, MARK
Executed: 2002-08-01
Assignee
SCHLUMBERGER TECHNOLOGIES, INC.
150 BAYTECH DRIVE, SAN JOSE, CALIFORNIA, 95134-2302
Covered Property (1)
Method and Apparatus for Forming a Cavity in a Semiconductor Substrate Using a Charged Particle Beam
Patent: 6,855,622 →
Application: 10/160,606 →
Publication: US 2003/0224601
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Jul 11, 2003
From: SCHLUMBERGER TECHNOLOGIES, INC.
To: NPTEST, LLC
Reel/Frame 014260/0387 →
Assignment of Assignor's Interest Oct 13, 2004
From: NPTEST, LLC
To: CREDENCE SYSTEMS CORPORATION
Reel/Frame 015242/0574 →