IP Library Assignment 013499/0565
Patent Assignment
Reel/Frame 013499/0565

Assignment of Assignor's Interest

Recorded: 2002-11-15 Pages: 3
Assignors
STACKLIES, SIEGFRIED
Executed: 2002-10-12
CHEN, YAOLONG
Executed: 2002-10-14
Assignee
CARL ZEISS SEMICONDUCTOR TECHNOLOGIES AG
CARL-ZEISS-STRASSE 22, D-73447 OBERKOCHEN, GERMANY
Covered Property (1)
Method and Apparatus for Polishing or Lapping an Aspherical Surface of a Work Piece
Patent: 6,733,369 →
Application: 10/261,455 →
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name May 16, 2004
From: CARL ZEISS SEMICONDUCTOR MANUFACTURING TECHNOLOGIES AG
To: CARL ZEISS SMT AG
Reel/Frame 015328/0855 →
A Modifying Conversion Jan 18, 2011
From: CARL ZEISS SMT AG
To: CARL ZEISS SMT GMBH
Reel/Frame 025763/0367 →