JC

John Cramer

📍 Providence, RI: #16 of 59 inventorsTop 30%
🗺 Rhode Island: #43 of 240 inventorsTop 20%
Overall (1989): #96,016 of 140,708Top 70%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4804187 Game assembly based on the Phi factor — 1989-02-14