IP Library › Granted Patent US 874,432
Granted Patent S1
US 874,432 · App. 29/600,805 · Granted Feb 4, 2020

Audio subwoofer

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Quick Facts
Patent No.
US 874,432
App. No.
29/600,805
Granted
Feb 4, 2020
Kind
S1
Claims (1)

The ornamental design for an audio subwoofer, as shown and described.

Assignments (5)
RELEASE OF SECURITY INTEREST Recorded Apr 6, 2022
From: CERBERUS BUSINESS FINANCE, LLC
To: POLK AUDIO, LLC
Reel/Frame 059521/0280 →
NOTICE OF SECURITY INTEREST - PATENTS Recorded Dec 28, 2020
From: DEI SALES, INC.; D&M HOLDINGS U.S. INC.; BOSTON ACOUSTICS, INC.; D&M EUROPE B.V.; POLK AUDIO, LLC; DEFINITIVE TECHNOLOGY, LLC; B & W GROUP LTD
To: CERBERUS BUSINESS FINANCE, LLC, AS THE COLLATERAL AGENT
Reel/Frame 054859/0244 →
CORRECTIVE ASSIGNMENT TO CORRECT THE RECEIVING PARTY NAME PREVIOUSLY RECORDED AT REEL: 42022 FRAME: 615. ASSIGNOR(S) HEREBY CONFIRMS THE ASSIGNMENT. Recorded Apr 14, 2020
From: SAVAGE, JEREMY; DITULLO, MICHAEL; SWEER, LAUREN
To: POLK AUDIO, LLC
Reel/Frame 052392/0533 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jul 26, 2017
From: SAVAGE, JEREMY, MR.; DITULLO, MICHAEL, MR.; SWEER, LAUREN, MR.
To: POLK AUDIO, LLC
Reel/Frame 043095/0707 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Apr 15, 2017
From: SAVAGE, JEREMY, MR.; DITULLO, MICHAEL, MR.; SWEER, LAUREN, MR.
To: POLK, LLC
Reel/Frame 042022/0615 →