Patent Assignment
Reel/Frame 014480/0687
Assignment of Assignor's Interest
Recorded: 2003-09-02
Pages: 2
Assignor
BERMAN, DENNIS RAY
Executed: 2003-08-29
Assignee
DRB LIT LTD.
4401 WINDSOR RIDGE DRIVE, IRVING, TEXAS, 75038
Covered Property
(1)
Learning System with Learner-Constructed Response Based Methodology
Patent:
39,435 →
Application:
10/653,748 →
Related Assignments
(6)
Other recorded transfers of the patent in this record — the chain of ownership.
Security Agreement
Apr 19, 2007
From: DRB LIT LTD.
To: BERMAN, DENNIS R
Reel/Frame 019181/0279 →
Patent Security Agreement
Dec 13, 2011
From: DRB LIT LTD.
To: BERMAN, DENNIS R., MR.
Reel/Frame 027371/0283 →
Release of Security Interest
Mar 6, 2014
From: BERMAN, DENNIS R.
To: DRB LIT LTD.
Reel/Frame 032370/0618 →
Assignment of Assignor's Interest
Mar 6, 2014
From: TRIVAC LTD.; DRB LIT LTD.
To: LOCKIN, LLC
Reel/Frame 032371/0018 →
Assignment of Assignor's Interest
Jul 22, 2014
From: LOCKIN, LLC
To: MEMORY SCIENCE, LLC
Reel/Frame 033367/0085 →
Assignment of Assignor's Interest
Sep 6, 2019
From: MEMORY SCIENCE, LLC
To: VXI GLOBAL SOLUTIONS LLC
Reel/Frame 050298/0734 →