IP Library Assignment 017615/0950
Patent Assignment
Reel/Frame 017615/0950

Assignment of Assignor's Interest

Recorded: 2006-05-15 Pages: 3
Assignor
WINFIELD, ALAN H.
Executed: 2002-11-08
Assignee
VISIONWALL CORPORATION
17915 - 118 AVENUE, EDMONTON, ALBERTA, T5S1L6, CANADA
Covered Property (1)
Sealing System for an Energy Efficient Window
Patent: 7,571,583 →
Application: 10/537,399 →
Publication: US 2006/0260228
Related Assignments (4)
Other recorded transfers of the patent in this record — the chain of ownership.
License Agreement Nov 30, 2007
From: VISIONWALL CORPORATION
To: WMT INVESTORS LLC
Reel/Frame 020174/0817 →
Security Agreement May 25, 2009
From: VISIONWALL CORPORATION
To: WMT INVESTORS LLC
Reel/Frame 022727/0610 →
License Agreement May 27, 2009
From: VISIONWALL CORPORATION
To: WMT INVESTORS LLC
Reel/Frame 022742/0001 →
Security Agreement Jun 12, 2009
From: VISIONWALL CORPORATION
To: 825764 ALBERTA LTD.
Reel/Frame 022821/0172 →