Patent Assignment
Reel/Frame 014361/0442
Assignment of Assignor's Interest
Recorded: 2004-02-20
Pages: 3
Assignors
KEEFER, BOWIE G.
Executed: 2004-01-08
DOMAN, DAVID G.
Executed: 2003-12-16
MCLEAN, CHRISTOPHER R.
Executed: 2003-12-19
Assignee
QUESTAIR TECHNOLOGIES, INC.
6961 RUSSELL AVENUE, BURNABY, B.C., V5J 4R8, CANADA
Covered Property
(1)
Modular Pressure Swing Adsorption Apparatus
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.