IP Library › Granted Patent US 1,107,687
Granted Patent S1
US 1,107,687 · App. 30/021,954 · Granted Dec 30, 2025

Sound attenuator

Inventors: Ralph T Campagna (Putnam, CT); Natan Bauman (Cheshire, CT); Thomas Zachary Worcester (Brooklyn, NY)
Assignee: Unplugs Hearing, Inc.
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Quick Facts
Patent No.
US 1,107,687
App. No.
30/021,954
Granted
Dec 30, 2025
Kind
S1
Claims (1)

The ornamental design for a sound attenuator as shown and described.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Nov 21, 2025
From: CAMPAGNA, RALPH T.; BAUMAN, NATAN; WORCESTER, THOMAS Z.
To: UNPLUGS HEARING, INC.
Reel/Frame 073000/0490 →
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