IP Library Granted Patent US 542,773
Granted Patent S1
US 542,773 · App. 29/232,457 · Granted May 15, 2007

High fidelity noise excluding earphones with ergonomically designed construction

Assignee: Etymotic Research, Inc.
View Patent ↗
Loading inventors, assignments & file history…
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 542,773
App. No.
29/232,457
Granted
May 15, 2007
Kind
S1
Claims (1)

The ornamental design for the high fidelity noise excluding earphones with ergonomically designed construction, as shown and described.

Assignments (4)
RELEASE OF SECURITY INTEREST Recorded Jun 14, 2022
From: JPMORGAN CHASE BANK, N.A.
To: ETYMOTIC RESEARCH, INC.
Reel/Frame 060380/0475 →
SECURITY INTEREST Recorded Apr 12, 2018
From: ETYMOTIC RESEARCH, INC.
To: JPMORGAN CHASE BANK, N.A.
Reel/Frame 045922/0320 →
CORRECTION OF RECORDATION COVER SHEET Recorded Jul 14, 2006
From: DRAMBAREAN, VIOREL; HAAPAPURO, ANDREW J.; KILLION, MEAD C.
To: ETYMOTIC RESEARCH, INC.
Reel/Frame 017948/0280 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Dec 20, 2005
From: DRAMBAREAM, VIOREL; HAAPAPURO, ANDREW J.; KILLION, MEAD C.
To: ETYMOTIC RESEARCH, INC.
Reel/Frame 017135/0471 →