Patent Assignment
Reel/Frame 005232/0551
Assignment of Assignors Interest.
Recorded: 1990-02-12
Pages: 1
Assignors
SCHAFFNER, KURT
Executed: 1989-05-09
SWOZIL, ADOLF
Executed: 1989-05-09
ULLMANN, GERHARD
Executed: 1989-05-09
Assignee
SIGRI GMBH, A GERMAN CORP.
MITINGEN, FEDERAL REPUBLIC OF, GERMANY
Covered Property
(1)
Connection of Carbon or Graphite Tubes
Patent:
4,921,283 →
Application:
07/355,404 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name Effective on 06/24/1992
Apr 20, 1993
From: SIGRI GMBH
To: SIGRI GREAT LAKES CARBON GMBH
Reel/Frame 006504/0263 →
Change of Name
Dec 9, 1996
From: SIGRI GREAT LAKES CARBON GMBH
To: SGL CARBON AKTIENGESELLSCHAFT
Reel/Frame 008251/0932 →
Assignment of Assignor's Interest
May 26, 1998
From: SGL CARBON AG
To: SGL TECHNIK GMBH
Reel/Frame 009178/0460 →