DZ

Duo Zheng

Overall (2025): #129,021 of 469,880Top 30%
2
Patents 2025

Issued Patents 2025

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
D1074916 Pest repeller 2025-05-13
D1072149 Ultrasonic insect repellent 2025-04-22