MM

Michael Maasen

📍 Gravois Mills, MO: #2 of 5 inventorsTop 40%
🗺 Missouri: #13,067 of 23,789 inventorsTop 55%
Overall (All Time): #2,420,618 of 4,157,543Top 60%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
12319392 Shiftable boat lift Mark Maasen 2025-06-03