IP Library › Assignment 014884/0402
Patent Assignment
Reel/Frame 014884/0402

Assignment of Assignor's Interest

Recorded: 2004-01-15 Pages: 3
Assignor
Assignee
BALLARD POWER SYSTEMS INC.
4343 NORTH FRASER WAY, BURNABY, BC V5J 5J9, CANADA
Covered Property (1)
Water insoluble additive for improving conductivity of an ion exchange membrane
Application: 60/510,664 →
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Jan 15, 2004
From: MACKINNON, SEAN M.; PECKHAM, TIMOTHY J.; STONE, CHARLES
To: BALLARD ADVANCED MATERIALS CORPORATION
Reel/Frame 014884/0398 →
Assignment of Assignor's Interest Oct 6, 2008
From: BALLARD POWER SYSTEMS INC.
To: BDF IP HOLDINGS LTD.
Reel/Frame 021639/0225 →