DP

Douglas Poffenberger

📍 Mason, OH: #519 of 1,011 inventorsTop 55%
🗺 Ohio: #30,338 of 73,341 inventorsTop 45%
Overall (All Time): #2,167,371 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7040623 Game scoring kit — 2006-05-09
D518390 Game scoreboard — 2006-04-04