PY

Pingrong Yang

📍 Yongzhou, CN: #1 of 25 inventorsTop 4%
Overall (2025): #50,026 of 469,880Top 15%
3
Patents 2025

Issued Patents 2025

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
D1090817 Noise canceling earplug 2025-08-26
D1078028 Noise canceling earplug 2025-06-03
D1068180 Stop barking device 2025-03-25