SB

Stephen C Butler

📍 Portsmouth, RI: #4 of 13 inventorsTop 35%
🗺 Rhode Island: #43 of 240 inventorsTop 20%
Overall (1989): #55,827 of 140,708Top 40%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4828409 Print head John Andrew Sparshott, Richard Francis Bowsher 1989-05-09