DD

David Deng

📍 Diamond Bar, CA: #4 of 40 inventorsTop 10%
🗺 California: #9,221 of 67,890 inventorsTop 15%
Overall (2019): #93,922 of 560,194Top 20%
3
Patents 2019

Issued Patents 2019

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
10429074 Dual fuel heating assembly with selector switch — 2019-10-01
10240789 Dual fuel heating assembly with reset switch — 2019-03-26
10222057 Dual fuel heater with selector valve — 2019-03-05