Patent Assignment
Reel/Frame 008755/0120
Assignment of Assignor's Interest
Recorded: 1997-08-21
Pages: 3
Assignor
JOHNSON, THOMAS M.
Executed: 1997-08-20
Assignee
ANALYTICAL GRAPHICS INC.
660 AMERICAN AVENUE, KING OF PRUSSIA, PENNSYLVANIA, 19406
Covered Property
(1)
Method and Apparatus for Modeling Receiver Bandwidth for Telecommunications Analysis
Patent:
6,021,268 →
Application:
08/915,971 →
Related Assignments
(8)
Other recorded transfers of the patent in this record — the chain of ownership.
Lien and Security Interest
Jul 2, 1998
From: ANALYTICAL GRAPHICS, INC.
To: PNC BANK, N.A.
Reel/Frame 009288/0317 →
Release of Security Interest
Jan 21, 2005
From: PNC BANK
To: ANALYTICAL GRAPHICS, INC.
Reel/Frame 015583/0606 →
Notice of Security Interest in. U.S. Patents
Feb 9, 2005
From: ANALYTICAL GRAPHICS, INC.
To: MANUFACTURERS AND TRADERS TRUST COMPANY
Reel/Frame 015661/0536 →
Security Agreement
Jun 22, 2011
From: ANALYTICAL GRAPHICS, INC.
To: SILICON VALLEY BANK
Reel/Frame 026477/0843 →
Amended and Restated Intellectual Property Security Agreement
Aug 17, 2020
From: ANALYTICAL GRAPHICS, INC.
To: SILICON VALLEY BANK
Reel/Frame 053512/0267 →
Release of Security Interest Recorded at Reel/Frame 053512/0267
Dec 1, 2020
From: SILICON VALLEY BANK
To: ANALYTICAL GRAPHICS, INC.
Reel/Frame 054558/0786 →
Release of Security Interest Recorded at Reel/Frame 026477/0843
Dec 1, 2020
From: SILICON VALLEY BANK
To: ANALYTICAL GRAPHICS, INC.
Reel/Frame 054558/0535 →
Merger and Change of Name
Apr 27, 2022
From: ANALYTICAL GRAPHICS, INC.; ANSYS GOVERNMENT INITIATIVES, INC.
To: ANSYS GOVERNMENT INITIATIVES, INC.
Reel/Frame 059811/0883 →