IP Library Assignment 016188/0594
Patent Assignment
Reel/Frame 016188/0594

Assignment of Assignor's Interest

Recorded: 2005-05-03 Pages: 3
Assignors
KEEFER, BOWIE G.
Executed: 2005-04-27
MCLEAN, CHRISTOPHER R.
Executed: 2005-04-27
BABICKI, MATTHEW L.
Executed: 2005-04-27
Assignee
QUESTAIR TECHNOLOGIES INC.
6961 RUSSELL AVENUE, BURNABY, BRITISH COLUMBIA, V5J 4R8, CANADA
Covered Property (1)
Life Support Oxygen Concentrator
Patent: 7,250,073 →
Application: 10/884,854 →
Publication: US 2005/0183572
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
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 →