Patent Assignment
Reel/Frame 012463/0222
Change of Name
Recorded: 2002-01-11
Pages: 11
Assignor
SIGRI GREAT LAKES CARBON GMBH
Executed: 1994-12-21
Assignee
SGL CARBON AG
RHEINGAUSTRASSE 182, D-65203 WIESBADEN, GERMANY
Covered Properties
(2)
Corrosion and Heat-Resistant Ordered Packing for Mass Transfer and Heat Exchange Processes
Patent:
5,281,479 →
Application:
07/837,245 →
Process for the Preparation of a Metal and Graphite Laminate
Patent:
5,509,993 →
Application:
08/217,598 →
Related Assignments
(3)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest
Nov 1, 1993
From: RITTNER, SIEGBERT; SPISKE, JUERGEN; KOMPALIK, DIETER; GRUBER, UDO
To: SIGRI GREAT LAKES CARBON GMBH
Reel/Frame 006744/0507 →
Assignment of Assignor's Interest
Feb 5, 1996
From: HIRSCHVOGEL, ALFRED
To: SIGRI GREAT LAKES CARBON GMBH
Reel/Frame 007794/0713 →
Assignment of Assignor's Interest
May 26, 1998
From: SGL CARBON AG
To: SGL TECHNIK GMBH
Reel/Frame 009178/0460 →