US D933,038 S1Granted

Sound amplifier

AssigneeSHANGHAI NORWll TECHNOLOGY CO., LTD.

InventorYongyan Huang

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Abstract

The abstract isn’t available for this document.

Claims1

Dependent claims

The ornamental design for a sound amplifier, as shown and described.

Facts

Application: 29/688,388Filed 21 Apr 2019
Priority: CN 201830610333.530 Oct 2018
Granted: 12 Oct 2021
Term ends: Not estimatedThe source records don’t support an estimate.

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