IP Library › Assignment 012535/0952
Patent Assignment
Reel/Frame 012535/0952

Assignment of Assignor's Interest

Recorded: 2002-01-28 Pages: 3
Assignor
KEEFER, BOWIE GORDON
Executed: 2002-01-15
Assignee
QUESTAIR TECHNOLOGIES INC.
BURNABY, 6961 RUSSELL AVENUE, BRITISH COLUMBIA, V5J 4, CANADA
Covered Property (1)
Surge Absorber Flow Regulation for Modular Pressure Swing Adsorption
Patent: 6,840,985 →
Application: 09/998,777 →
Publication: US 2002/0056375
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 →