Patent Assignment
Reel/Frame 006005/0608
Assignment of Assignors Interest.
Recorded: 1992-01-31
Pages: 2
Assignor
BRUGGENDICK, HERMANN
Executed: 1991-06-20
Assignee
STEAG AKTIENGESELLSCHAFT
BISMARCKSTRASSE 54, D-4300 ESSEN 1, GERMANY
Covered Property
(1)
Apparatus for the Separation of Undesirable Constituents from a Waste Gas
Patent:
5,344,616 →
Application:
07/720,762 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Jan 9, 2001
From: STEAG AKTIENGESELLSCHAFT
To: STEAG ENCOTEC GMBH
Reel/Frame 011449/0243 →
Change of Name
Apr 8, 2008
From: STEAG ENCOTEC GMBH
To: EVONIK ENCOTEC GMBH
Reel/Frame 020793/0947 →
Change of Name
Apr 10, 2008
From: EVONIK ENCOTEC GMBH
To: EVONIK ENERGY SERVICES GMBH
Reel/Frame 020794/0089 →