RV

Roberto Valli

📍 Ancona, IT: #28 of 82 inventorsTop 35%
Overall (All Time): #3,300,977 of 4,157,543Top 80%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7786374 Pianoforte instrument exhibiting an additional delivery of energy into the sound board, and method for influencing the sound of a pianoforte instrument Luigi Lamacchia, Nikolaus Schimmel 2010-08-31