SD

Shuanglong Du

📍 Huaibei, CN: #3 of 16 inventorsTop 20%
Overall (All Time): #1,067,997 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
D1056745 Carbon monoxide alarm 2025-01-07
D1056746 Carbon monoxide alarm 2025-01-07
D1050927 Carbon monoxide alarm 2024-11-12
D1047728 Gas or carbon monoxide alarm 2024-10-22