HS

Henry R. Sonderegger

IT Itt: 1 patents #249 of 721Top 35%
📍 Barrington, RI: #191 of 323 inventorsTop 60%
🗺 Rhode Island: #3,444 of 6,211 inventorsTop 60%
Overall (All Time): #4,024,498 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4552332 Butterfly valve, especially for dead-end service Charles N. Chatterley 1985-11-12