Patent Assignment
Reel/Frame 011844/0205
Mortgage
Recorded: 2001-05-29
Pages: 13
Assignor
ILLUMITEK INC.
Executed: 2001-04-20
Assignee
SPSS INC.
233 S. WACKER DRIVE, CHICAGO, ILLINOIS, 60606
Covered Property
(1)
Computer Method and Apparatus for Creating Visible Graphics by Using a Graph Algebra
Patent:
6,492,989 →
Application:
09/553,507 →
Related Assignments
(6)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Aug 24, 2000
From: WILKINSON, LELAND
To: SPSS, INC.
Reel/Frame 011062/0382 →
Assignment of Assignor's Interest
Jun 4, 2001
From: SPSS, INC.
To: ILLUMITEK
Reel/Frame 011876/0879 →
Security Interest
Apr 8, 2003
From: SPSS, INC.
To: FOOTHILL CAPITAL CORPORATION
Reel/Frame 013933/0346 →
Assignment of Assignor's Interest
Apr 14, 2003
From: ILLUMITEK, INC.
To: SPSS INC.
Reel/Frame 013952/0043 →
Release of Security Interest
May 25, 2007
From: WELLS FARGO FOOTHILL, INC.
To: SPSS, INC.; SHOWCASE CORPORATION; NETGENESIS CORP.
Reel/Frame 019341/0413 →
Nunc Pro Tunc Assignment
Feb 10, 2011
From: SPSS, INC.
To: INTERNATIONAL BUSINESS MACHINES CORPORATION
Reel/Frame 025784/0905 →