ZD

Ze Du

Overall (All Time): #1,808,893 of 4,157,543Top 45%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
11662118 Flexible insulated air duct and modular flexible insulated air-duct system Biao Lu 2023-05-30
11268734 Flexible insulated air duct and modular flexible insulated air-duct system Biao Lu 2022-03-08