Patent Assignment
Reel/Frame 012356/0554
Assignment of Assignor's Interest
Recorded: 2001-10-30
Pages: 4
Assignors
KOEDINGER, KENNETH R.
Executed: 2001-10-09
HEFFERNAN III, NEIL THOMAS
Executed: 2001-09-27
Assignee
CARNEGIE MELLON UNIVERSITY
5000 FORBES AVENUE, PITTSBURGH, PENNSYLVANIA, 15213
Covered Property
(1)
Methods and Systems for Tutoring Using a Tutorial Model with Interactive Dialog
Patent:
6,634,887 →
Application:
09/884,743 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Release of Security Interest
Sep 11, 2020
From: CRESCENT DIRECT LENDING, LLC
To: EMC PUBLISHING, LLC
Reel/Frame 053751/0257 →
Release of Security Interest
Sep 11, 2020
From: CRESCENT DIRECT LENDING, LLC
To: CARNEGIE LEARNING, INC.
Reel/Frame 053751/0691 →
Corrective Assignment to Correct the Receiving Party to Carnegie Learning, Inc. Previously Recorded on Reel 053751 Frame 0257. Assignor(S) Hereby Confirms the Release of Security Interest. Filed Correct Receiving Party Under 053751/0691. Please Remove This Incorrect Assignment.
Sep 16, 2020
From: CRESCENT DIRECT LENDING, LLC
To: CARNEGIE LEARNING, INC.
Reel/Frame 053788/0229 →