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Steven R. Shanin

📍 Highland Park, IL: #250 of 599 inventorsTop 45%
🗺 Illinois: #34,584 of 84,256 inventorsTop 45%
Overall (All Time): #2,373,681 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4210332 Puzzle device including polyhedrons and support structure therefor — 1980-07-01
4210333 Puzzle cubes for forming rectangular parallelepipeds — 1980-07-01