RS

Richard Speer

📍 Concord, MA: #2 of 26 inventorsTop 8%
🗺 Massachusetts: #329 of 1,827 inventorsTop 20%
Overall (1982): #36,033 of 81,411Top 45%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4345578 Ball projecting device capable of providing spin — 1982-08-24