IP Library › Assignment 012067/0242
Patent Assignment
Reel/Frame 012067/0242

Assignment of Assignor's Interest

Recorded: 2001-08-13 Pages: 3
Assignors
KEEFER, BOWIE G.
Executed: 2001-07-24
MCLEAN, CHRISTOPHER R.
Executed: 2001-07-26
BROWN, MICHAEL J.
Executed: 2001-07-16
Assignee
QUESTAIR TECHNOLOGIES, INC.
6961 RUSSELL AVENUE, BURNABY, B.C., V5J 4, CANADA
Covered Property (1)
Electrical Current Generation System
Patent: 6,921,597 →
Application: 09/808,715 →
Publication: US 2002/0004157
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 →