Patent Assignment
Reel/Frame 024787/0871
Assignment of Assignor's Interest
Recorded: 2010-08-04
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, D-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 →