IP Library › Assignment 016027/0671
Patent Assignment
Reel/Frame 016027/0671

Assignment of Assignor's Interest

Recorded: 2004-11-19 Pages: 3
Assignor
KEEFER, BOWIE G.
Executed: 2004-11-19
Assignee
QUESTAIR TECHNOLOGIES INC.
6961 RUSSELL AVENUE, BURNABY, BC V5J 4R8, CANADA
Covered Property (1)
High Efficiency Load-Following Solid Oxide Fuel Cell Systems
Patent: 7,553,568 →
Application: 10/993,902 →
Publication: US 2005/0106429
Related Assignments (4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Feb 28, 2008
From: QUESTAIR TECHNOLOGIES INC.
To: KEEFER, BOWIE
Reel/Frame 020578/0446 →
Assignment of Assignor's Interest Mar 4, 2008
From: QUESTAIR TECHNOLOGIES INC.
To: KEEFER, BOWIE
Reel/Frame 020596/0746 →
Assignment of Assignor's Interest Mar 23, 2012
From: XEBEC ADSORPTION INC.
To: AIR PRODUCTS AND CHEMICALS INC.
Reel/Frame 027913/0646 →
Merger Apr 27, 2012
From: QUESTAIR TECHNOLOGIES INC.
To: XEBEC ADSORPTION INC.
Reel/Frame 028120/0971 →