MM

Martin Raymond Mattlage

📍 Chesterfield, MO: #2,561 of 6,461 inventorsTop 40%
🗺 Missouri: #8,863 of 23,789 inventorsTop 40%
Overall (All Time): #2,204,303 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6592123 Circular chess system Alan Roy Mattlage 2003-07-15
D456456 Circular chess board Alan Roy Mattlage 2002-04-30