Patent Assignment
Reel/Frame 009373/0053
Assignment of Assignor's Interest
Recorded: 1998-07-09
Pages: 3
Assignor
SIEPMANN, FRIEDRICH W.
Executed: 1998-06-23
Assignee
ISCO INC.
4700 SUPERIOR STREET, LINCOLN, NEBRASKA, 68501
Covered Property
(1)
Process and Device for Determining the Biological Oxygen Demand of Sewage
Patent:
6,114,172 →
Application:
09/051,543 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name
Apr 28, 2005
From: ISCO CO.
To: TELEDYNE ISCO, CO.
Reel/Frame 015953/0508 →
Assignment of Assignor's Interest
May 3, 2005
From: TELEDYNE ISCO, INC.
To: ENDRESS + HAUSER CONDUCTA GESELLSCHAFT FÜR MEß UND REGELTECHNIK MBH+CO. KG
Reel/Frame 016038/0530 →
Assignment
May 3, 2005
From: TELEDYNE ISCO, INC.
To: ENDRESS + HAUSER CONDUCTA GESELLSCHAFT FÜR MEß - UND REGELTECHNIK MBH+CO. KG
Reel/Frame 016038/0734 →