HF

Heldai Lemos Ferreira

📍 Gravatá, BR: #292 of 703 inventorsTop 45%
Overall (All Time): #3,295,027 of 4,157,543Top 80%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7753066 Single system for low or high pressure gases control and high or low pressure gases control valve Ricardo Leite Passos, Alfredo José Alvim De Castro, Caio Moldehnhauer Peret, Eduardo Sala Polati, Sérgio Lopes Donke +3 more 2010-07-13