IP Library › Granted Patent US 881,846
Granted Patent S1
US 881,846 · App. 29/650,412 · Granted Apr 21, 2020

Vibration diaphragm for loudspeaker

Inventor: Zhi Chen (Huizhou, CN)
Assignee: TYMPHANY ACOUSTIC TECHNOLOGY (HUIZHOU) CO., LTD.
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Quick Facts
Patent No.
US 881,846
App. No.
29/650,412
Granted
Apr 21, 2020
Kind
S1
Claims (1)

The ornamental design for vibration diaphragm for loudspeaker, as shown and described.

Assignments (2)
CHANGE OF NAME Recorded May 8, 2019
From: PREMIUM LOUDSPEAKERS (HUI ZHOU) CO., LTD.
To: TYMPHANY ACOUSTIC TECHNOLOGY (HUIZHOU) CO., LTD.
Reel/Frame 049121/0317 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jul 18, 2018
From: CHEN, ZHI
To: PREMIUM LOUDSPEAKERS (HUI ZHOU) CO., LTD.
Reel/Frame 046387/0447 →
Priority Claims (1)
CN 2017 3 0615452 · Dec 6, 2017 · national