HF

Helenio de Carvalho Ellery Filho

📍 Recife, BR: #1 of 8 inventorsTop 15%
Overall (2017): #405,636 of 506,227Top 85%
1
Patents 2017

Issued Patents 2017

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9764975 Biological filtration system for removal of nitrogen compounds in aquatic animal breeding environments, and its implementing device 2017-09-19