YH

Yongyan Huang

Overall (2021): #36,834 of 548,734Top 7%
4
Patents 2021

Issued Patents 2021

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
D933038 Sound amplifier 2021-10-12
D931826 Sound amplifier 2021-09-28
D931827 Sound amplifier 2021-09-28
D913992 Wireless presenter 2021-03-23