IP Library Assignment 014881/0124
Patent Assignment
Reel/Frame 014881/0124

Assignment of Assignor's Interest

Recorded: 2004-07-22 Pages: 4
Assignors
SUMMERS, DAVID A.
Executed: 2004-03-25
HAAS, HERWIG R.
Executed: 2004-03-25
Assignee
BALLARD POWER SYSTEMS INC.
4343 NORTH FRASER WAY, BURNABY, BRITISH COLUMBIA, V5J 5J9, CANADA
Covered Property (1)
Methods of Operating Fuel Cells Having Closed Reactant Supply Systems
Patent: 7,153,598 →
Application: 10/795,114 →
Publication: US 2004/0241504
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Jun 2, 2008
From: BALLARD POWER SYSTEMS INC.
To: BDF IP HOLDINGS LTD.
Reel/Frame 021029/0001 →