CHIZHEN HU Trademarks
NIAVO
Filed: July 4, 2019
Downloadable intelligent personal assistant software for natural language learning
Owned by: CHIZHEN HU
Serial Number: 88500763
NIAVO
Filed: July 4, 2019
Educational services in the nature of learning centers featuring instruction in the field of foreign languages; Providing…
Owned by: CHIZHEN HU
Serial Number: 88500768
