Patent Assignment
Reel/Frame 028607/0983
Security Agreement
Recorded: 2012-07-20
Pages: 6
Assignor
THE RIVERSIDE PUBLISHING COMPANY
Executed: 2012-06-21
Assignee
CITIBANK, N.A.
390 GREENWICH ST, 1ST FLOOR, NEW YORK, NEW YORK, 10014
Covered Properties
(2)
Computer Network Based Testing System
Patent:
6,112,049 →
Application:
08/955,133 →
Computer Network Based Testing System
Patent:
6,418,298 →
Application:
09/599,937 →
Related Assignments
(9)
Other recorded transfers of the patents in this record — the chain of ownership.
Release of Security Interest in and Lien on Patents
Jul 10, 2012
From: THE BANK OF NEW YORK MELLON TRUST COMPANY, N.A.
To: COGNITIVE CONCEPTS, INC.; THE RIVERSIDE PUBLISHING COMPANY; HOUGHTON MIFFLIN HARCOURT PUBLISHING COMPANY
Reel/Frame 028542/0420 →
Release of Security Interest in and Lien on Patents
Jul 13, 2012
From: CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH (F/K/A CREDIT SUISSE, CAYMAN ISLANDS BRANCH)
To: HMH PUBLISHING COMPANY LIMITED; HOUGHTON MIFFLIN HARCOURT PUBLISHERS INC.; HMH PUBLISHERS LLC; HOUGHTON MIFFLIN HARCOURT PUBLISHING COMPANY
Reel/Frame 028550/0338 →
Security Agreement
Jul 20, 2012
From: THE RIVERSIDE PUBLISHING COMPANY
To: CITIBANK, N.A.
Reel/Frame 028607/0367 →
Patent Security Agreement (Term)
Dec 4, 2019
From: HOUGHTON MIFFLIN HARCOURT PUBLISHERS INC.; HMH PUBLISHERS LLC; HOUGHTON MIFFLIN HARCOURT PUBLISHING COMPANY; HOUGHTON MIFFLIN HARCOURT COMPANY
To: CITIBANK, N.A.
Reel/Frame 051186/0271 →
Patent Security Agreement (Revolving)
Dec 4, 2019
From: HOUGHTON MIFFLIN HARCOURT PUBLISHERS INC.; HMH PUBLISHERS LLC; HOUGHTON MIFFLIN HARCOURT PUBLISHING COMPANY; HOUGHTON MIFFLIN HARCOURT COMPANY
To: CITIBANK, N.A.
Reel/Frame 051186/0250 →
Patent Security Agreement (Senior)
Dec 4, 2019
From: HOUGHTON MIFFLIN HARCOURT PUBLISHERS INC.; HMH PUBLISHERS LLC; HOUGHTON MIFFLIN HARCOURT PUBLISHING COMPANY; HOUGHTON MIFFLIN HARCOURT COMPANY
To: CITIBANK, N.A.
Reel/Frame 051186/0284 →
Release of Security Interest
Apr 8, 2022
From: CITIBANK, N.A.
To: HOUGHTON MIFFLIN HARCOURT PUBLISHERS INC.; HMH PUBLISHERS LLC; HOUGHTON MIFFLIN HARCOURT PUBLISHING COMPANY; HOUGHTON MIFFLIN HARCOURT COMPANY
Reel/Frame 059545/0302 →
Release of Security Interest
Apr 8, 2022
From: CITIBANK, N.A.
To: HOUGHTON MIFFLIN HARCOURT PUBLISHERS INC.; HMH PUBLISHERS LLC; HOUGHTON MIFFLIN HARCOURT PUBLISHING COMPANY; HOUGHTON MIFFLIN HARCOURT COMPANY
Reel/Frame 059545/0542 →
Release of Security Interest
Apr 8, 2022
From: CITIBANK, N.A.
To: HOUGHTON MIFFLIN HARCOURT PUBLISHERS INC.; HMH PUBLISHERS LLC; HOUGHTON MIFFLIN HARCOURT PUBLISHING COMPANY; HOUGHTON MIFFLIN HARCOURT COMPANY
Reel/Frame 059545/0500 →