HB

Helio T. Bittencourt

📍 São Paulo, BR: #1 of 14 inventorsTop 8%
Overall (1989): #107,241 of 140,708Top 80%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4845776 Piezoelectric transducer and transformer circuit 1989-07-04