IP Library › Assignment 015168/0004
Patent Assignment
Reel/Frame 015168/0004

Assignment of Assignor's Interest

Recorded: 2004-09-22 Pages: 30
Assignor
NPTEST, INC.
Executed: 2004-07-13
Assignee
CREDENCE SYSTEMS CORPORATION
1421 CALIFORNIA CIRCLE, MILPITAS, CALIFORNIA, 95035
Covered Property (1)
Measuring Back-Side Voltage of an Integrated Circuit
Patent: 6,872,581 →
Application: 10/123,842 →
Publication: US 2002/0151091
Related Assignments (3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Oct 17, 2002
From: SHAW, CHRISTOPHER; TSAO, CHUNG-CHENG; LUNDQUIST, THEODORE R.
To: NPTEST, INC.
Reel/Frame 013400/0488 →
Assignment of Assignor's Interest Jun 23, 2003
From: SCHLUMBERGER TECHNOLOGIES, INC.
To: NPTEST, LLC
Reel/Frame 014268/0115 →
Assignment of Assignor's Interest Nov 13, 2009
From: CREDENCE SYSTEMS CORPORATION
To: DCG SYSTEMS, INC.
Reel/Frame 023510/0634 →