Patent Assignment
Reel/Frame 015829/0272
Assignment of Assignor's Interest
Recorded: 2004-09-29
Pages: 2
Assignee
SARTORIUS AG
WEENDER LANDSTRASSE 94-108, D-37075 GOTTINGEN, GERMANY
Covered Property
(1)
Multi-Layer Microfiltration Membrane Having an Integrated Prefiltration Layer and Method of Making Same
Patent:
5,620,790 →
Application:
08/494,189 →
Related Assignments
(5)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Jun 21, 1995
From: HOLZKI, UDO; MULLER, HEINZ-JOACHIM; RENNER, TILO
To: SEITZ-FILTER-WEERKE GMBH UND CO.
Reel/Frame 007573/0310 →
Change of Name
Jul 21, 1997
From: SEITZ-FILTER-WERKE GMBH & CO.
To: SEITZ-FILTER-WERKE GMBH
Reel/Frame 008604/0433 →
Assignment of Assignor's Interest
Sep 22, 2003
From: SEITZ-FILTER-WERKE GMBH UND CO.
To: MULLER, HEINZ-JOACHIM; RENNER, TILO
Reel/Frame 014523/0034 →
Assignment of Assignor's Interest
Jul 12, 2007
From: SARTORIUS AG
To: SARTORIUS BIOTECH GMBH
Reel/Frame 019573/0722 →
Change of Name
Nov 7, 2007
From: SARTORIUS BIOTECH GMBH
To: SARTORIUS STEDIM BIOTECH GMBH
Reel/Frame 020072/0522 →