USB Charger Adapter,Square USB Charger,Square USB Charging,USB AC Charger Dongguan baiyou electronic co.,ltd , https://www.dgbaiyou.com
Registration number is 4403814, registered goods are international classification category 11, international classification category 35, including light bulbs, light bulbs, arc lamps, electric lights, lighting, searchlights with LED as the light source, and so on. 
In addition to the US trademark registration certificate obtained this time, the company obtained the US trademark registration certificate in 2008 (registration number: 3349422, international classification category 9). 
Shenzhen Alto Electronics obtained the US trademark registration certificate
Shenzhen Alto Electronics announced on November 15 that the company recently received a trademark registration certificate issued by the United States Patent and Trademark Office.