Patent Assignment
Reel/Frame 033096/0236
Assignment of Assignor's Interest
Recorded: 2014-06-13
Pages: 5
Assignor
DONARSKI, MATTHEW A.
Executed: 2010-07-30
Assignees
BOSCH SECURITY SYSTEMS INC.
130 PERINTON PARKWAY, FAIRPORT, NEW YORK, 14450
ROBERT BOSCH GMBH
POSTFACH 30 02 20, STUTTGART, 70442, GERMANY
Covered Property
(1)
Equal Expansion Rate Symmetric Acoustic Transformer
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Intellectual Property Security Agreement
Oct 28, 2025
From: BOSCH SECURITY SYSTEMS, LLC (FKA BOSCH SECURITY SYSTEMS, INC.)
To: GLAS TRUST CORPORATION LIMITED
Reel/Frame 073363/0729 →
Termination and Release of Security Interest in Intellectual Property Recorded at Reel 73363, Frame 0729
May 4, 2026
From: GLAS TRUST CORPORATION LIMITED
To: ELECTRO-VOICE DYNACORD LLC (F/K/A BOSCH SECURITY SYSTEMS, LLC, F/K/A BOSCH SECURITY SYSTEMS, INC.)
Reel/Frame 075499/0896 →
Intellectual Property Security Agreement
May 15, 2026
From: ELECTRO-VOICE DYNACORD LLC
To: GLAS TRUST CORPORATION LIMITED
Reel/Frame 075643/0407 →