IP Library › Assignment 015060/0271
Patent Assignment
Reel/Frame 015060/0271

Assignment of Assignor's Interest

Recorded: 2004-08-09 Pages: 6
Assignor
Assignee
CARL ZEISS SMT AG
OBERKOCHEN, GERMANY
Covered Property (1)
Method and Apparatus for Analysis of Schlieren
Patent: 6,891,980 →
Application: 10/090,975 →
Publication: US 2002/0154814
Related Assignments (4)
Other recorded transfers of the patent in this record — the chain of ownership.
Corrective Coversheet to Add Second Assignee, Previously Recorded on Reel 013503 Frame 0023. Mar 15, 2004
From: GERHARD, MICHAEL; LENTES, FRANK-THOMAS; KUSCH, CHRISTIAN; SINGER, WOLFGANG
To: SCHOTT GLAS; CARL ZEISS SEMICONDUCTOR MANUFACTURING TECHNOLOGIES AG
Reel/Frame 015084/0960 →
Assignment of Assignor's Interest Mar 14, 2005
From: SCHOTT GLAS
To: SCHOTT AG
Reel/Frame 015766/0926 →
Assignment of Assignor's Interest Sep 20, 2010
From: SCHOTT AG
To: HELLMA MATERIALS GMBH & CO. KG
Reel/Frame 025008/0878 →
A Modifying Conversion Jan 18, 2011
From: CARL ZEISS SMT AG
To: CARL ZEISS SMT GMBH
Reel/Frame 025763/0367 →