IP Library › Granted Patent US 615,528
Granted Patent S1
US 615,528 · App. 29/340,998 · Granted May 11, 2010

Headphone

Assignee: JRT Precision Technology Inc.
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Quick Facts
Patent No.
US 615,528
App. No.
29/340,998
Granted
May 11, 2010
Kind
S1
Claims (1)

The ornamental design for a headphone, as shown and described.

Assignments (2)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Nov 4, 2011
From: JRT PRECISION TECHNOLOGY INC.
To: ENCOUNTERS PRODUCTS CORP.
Reel/Frame 027176/0175 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jul 29, 2009
From: KUO, KUAN I
To: JRT PRECISION TECHNOLOGY INC.
Reel/Frame 023021/0104 →