SK

Steven F. Kropfl

📍 New Providence, NJ: #12 of 52 inventorsTop 25%
🗺 New Jersey: #926 of 3,756 inventorsTop 25%
Overall (1989): #55,284 of 140,708Top 40%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
D299836 Three-way chess and checker gameboard — 1989-02-14