DH

Donghui Hao

📍 Apex, NC: #717 of 1,394 inventorsTop 55%
🗺 North Carolina: #18,756 of 45,564 inventorsTop 45%
Overall (All Time): #1,924,703 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10864560 Acid steam cleaning apparatus and acid steam cleaning method — 2020-12-15
10220329 Acid purifier — 2019-03-05