Patent Assignment
Reel/Frame 012783/0949
Assignment of Assignor's Interest
Recorded: 2002-04-12
Pages: 3
Assignors
SONNTAG, ANTON
Executed: 2002-01-17
SONNTAG, JOSEF
Executed: 2002-01-17
URBAN, HUBERT
Executed: 2002-01-18
Assignee
XCELLSIS AG
NEUE STRASSE 95, D-73230 KIRCHHEIM/TECK-NABERN, GERMANY
Covered Property
(1)
Method for Controlling the Quality of the Coolant for Fuel Cell Systems
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name
Aug 27, 2002
From: XCELLSIS AG
To: BALLARD POWER SYSTEMS AG
Reel/Frame 013232/0626 →
Assignment of Assignor's Interest
Jun 2, 2006
From: FUEL CELL SYSTEMS GMBH
To: NUCELLSYS GMBH
Reel/Frame 017931/0963 →
Assignment of Assignor's Interest
Jun 2, 2006
From: BALLARD POWER SYSTEMS AG
To: FUEL CELL SYSTEMS GMBH
Reel/Frame 017971/0897 →