RW

Richard Wroblewski

📍 Trumbull, CT: #183 of 533 inventorsTop 35%
🗺 Connecticut: #12,311 of 34,797 inventorsTop 40%
Overall (All Time): #1,595,873 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
7129403 Friction at the jack and knuckle interface in a grand piano eliminated — 2006-10-31
6639133 Universal piano action striking vertical and horizontal strings from below and above — 2003-10-28
6509517 Grand piano action — 2003-01-21