IP Library › Assignment 019031/0533
Patent Assignment
Reel/Frame 019031/0533

Assignment of Assignor's Interest

Recorded: 2007-03-19 Pages: 5
Assignors
WANG, KEPING
Executed: 2007-02-02
LI, JING
Executed: 2007-02-01
Assignee
BALLARD POWER SYSTEMS INC.
9000 GLENLYON PARKWAY, BURNABY, BRITISH COLUMBIA, V5J 5J8, CANADA
Covered Property (1)
Water Insoluble Additive for Improving Conductivity of an Ion Exchange Membrane
Patent: 7,977,392 →
Application: 11/613,803 →
Publication: US 2007/0154764
Related Assignments (5)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Mar 19, 2007
From: BALLARD ADVANCED MATERIALS CORPORATION
To: BALLARD POWER SYSTEMS INC.
Reel/Frame 019031/0555 →
Assignment of Assignor's Interest Mar 19, 2007
From: MACKINNON, SEAN M.; MCDERMID, SCOTT J.; BONORAND, LUKAS M.; PECKHAM, TIMOTHY J.
To: BALLARD ADVANCED MATERIALS CORPORATION
Reel/Frame 019031/0564 →
Assignment of Assignor's Interest Jun 2, 2008
From: BALLARD POWER SYSTEMS INC.
To: BDF IP HOLDINGS LTD.
Reel/Frame 021029/0001 →
Assignment of Assignor's Interest Feb 24, 2010
From: BDF IP HOLDINGS LTD.
To: DAIMLER AG
Reel/Frame 023983/0834 →
Assignment of Assignor's Interest Mar 1, 2018
From: DAIMLER AG
To: BALLARD POWER SYSTEMS INC.
Reel/Frame 045074/0923 →