DA

Douglas James Adelman

UN Unknown: 1 patents #29,356 of 83,584Top 40%
📍 Maple Heights, OH: #19 of 60 inventorsTop 35%
🗺 Ohio: #30,338 of 73,341 inventorsTop 45%
Overall (All Time): #2,213,886 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
D457199 Double-sided scalene triangle puzzle — 2002-05-14
D429775 Scalene triangle puzzle — 2000-08-22