Patent Assignment
Reel/Frame 010749/0519
Assignment of Assignor's Interest
Recorded: 2000-04-25
Pages: 4
Assignor
HAGLER, MARY B.
Executed: 2000-04-20
Assignee
NORTEL NETWORKS CORPORATION
8TH FLOOR, 380 ST. ANTOINE STREET WEST, MONTREAL QUEBEC, H2Y 3, CANADA
Covered Property
(1)
Secure E-Mail System
Related Assignments
(10)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Sep 12, 2000
From: OLKIN, TERRY M.; MOREH, JAHANSHAH
To: SIGABA CORPORATION
Reel/Frame 011173/0805 →
Security Interest
Apr 11, 2001
From: SIGABA CORPORATION
To: ROYAL WOLF VENTURES, LLC
Reel/Frame 011700/0520 →
Security Interest
Apr 2, 2002
From: SIGABA CORPORATION
To: ROYAL WULFF VENTURES LLC
Reel/Frame 012544/0908 →
Foreclosure of Assets
May 19, 2003
From: SIGABA CORPORATION
To: ROYAL WULFF VENTURES, LLC
Reel/Frame 014078/0685 →
Release of Security Interest
May 19, 2003
From: SECURE DATA IN MOTION, INC.
To: ROYAL WULFF VENTURES, LLC
Reel/Frame 014078/0617 →
Assignment of Assignor's Interest
May 19, 2003
From: ROYAL WULFF VENTURES, LLC
To: SECURE DATA IN MOTION, INC.
Reel/Frame 014078/0698 →
Release of Security Interest
Oct 20, 2003
From: ROYAL WULFF VENTURES, L.L.C.
To: SIGABA CORPORATION
Reel/Frame 014059/0014 →
Foreclosure of Assets
Oct 20, 2003
From: SIGABA CORPORATION
To: ROYAL WULFF VENTURES, L.L.C.
Reel/Frame 014137/0466 →
Assignment of Assignor's Interest
Oct 20, 2003
From: ROYAL WOLFF VENTURES, L.L.C.
To: SECURE DATA IN MOTION, INC.
Reel/Frame 014059/0017 →
Assignment of Assignor's Interest
Aug 15, 2008
From: SECURE DATA IN MOTION, INC., DBA SIGABA
To: PROOFPOINT, INC.
Reel/Frame 021387/0782 →