DV

Dalupan Romulo Vallejos

📍 Pasay, PH: #5 of 10 inventorsTop 50%
Overall (All Time): #3,669,175 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5992397 Combustion enhancing apparatus and method Watase Hideaki, Tan Slew Lay 1999-11-30