IP Library › Assignment 014842/0179
Patent Assignment
Reel/Frame 014842/0179

Assignment of Assignor's Interest

Recorded: 2003-12-30 Pages: 2
Assignors
KEEFER, BOWIE G.
Executed: 2003-11-17
KAUPERT, KEVIN A.
Executed: 2003-11-20
Assignee
QUESTAIR TECHNOLOGIES INC.
6961 RUSSELL AVENUE, BURNABY, BRITISH COLUMBIA, V5J 4R8, CANADA
Covered Property (1)
Gas Separation with Split Stream Centrifugal Turbomachinery
Patent: 6,905,535 →
Application: 09/886,469 →
Publication: US 2002/0056374
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 →