Patent Assignment
Reel/Frame 011568/0820
Assignment of Assignor's Interest
Recorded: 2001-02-13
Pages: 6
Assignee
SIGMA TECHNOLOGIES INTERNATIONAL, INC.
10960 N. STALLARD PLACE, TUCSON, ARIZONA, 85737
Covered Property
(1)
Vacuum Deposition of Cationic Polymer Systems
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Nov 17, 2003
From: SIGMA TECHNOLOGIES INTL., INC.
To: SIGMA LABORATORIES OF ARIZONA, INC.
Reel/Frame 014692/0895 →
Assignment of Assignor's Interest
Sep 10, 2006
From: SIGMA LABORATORIES OF ARIZONA, INC.
To: SIGMA LABORATORIES OF ARIZONA, LLC
Reel/Frame 018239/0857 →