IP Library Assignment 009856/0931
Patent Assignment
Reel/Frame 009856/0931

Assignment of Assignor's Interest

Recorded: 1999-03-30 Pages: 3
Assignors
KEEFER, BOWIE GORDON
Executed: 1999-02-24
MCLEAN, CHRISTOPHER R.
Executed: 1999-02-24
Assignee
QUESTOR INDUSTRIES INC.
6961 RUSSELL AVENUE, BURNABY, BC, CANADA
Covered Property (1)
High Frequency Rotary Pressure Swing Adsorption Apparatus
Patent: 6,056,804 →
Application: 09/106,124 →
Related Assignments (3)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name Oct 12, 2000
From: QUESTOR INDUSTRIES INC.
To: QUEST AIR GASES INC.
Reel/Frame 011219/0414 →
Certificate of Amendment Oct 12, 2000
From: QUEST AIR GASES INC.
To: QUEST AIR TECHNOLOGIES INC.
Reel/Frame 011219/0419 →
Assignment of Assignor's Interest Nov 20, 2012
From: XEBEC ADSORPTION INC.
To: AIR PRODUCTS AND CHEMICALS, INC.
Reel/Frame 029329/0527 →