IP Library Assignment 012998/0025
Patent Assignment
Reel/Frame 012998/0025

Assignment of Assignor's Interest

Recorded: 2002-06-14 Pages: 3
Assignors
FREITAG, ANSGAR
Executed: 2002-04-29
BINGEL, ULRICH
Executed: 2002-05-06
DISTL, JOSEF
Executed: 2002-04-29
HAMM, UWE W.
Executed: 2002-04-26
Assignee
CARL ZEISS SEMICONDUCTOR MANUFACTURING TECHNOLOGIES AG
CARL-ZEISS-STRASSE 22, 73447 OBERKOCHEN, GERMANY
Covered Property (1)
Optical Beam Guidance System and Method for Preventing Contamination of Optical Components Contained Therein
Patent: 6,824,277 →
Application: 10/079,580 →
Publication: US 2002/0145808
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name Oct 21, 2004
From: CARL ZEISS SEMICONDUCTOR MANUFACTURING TECHNOLOGIES AG
To: CARL ZEISS SMT AG
Reel/Frame 015909/0658 →
A Modifying Conversion Jan 18, 2011
From: CARL ZEISS SMT AG
To: CARL ZEISS SMT GMBH
Reel/Frame 025763/0367 →