MH

Mary Ann Heinz

📍 Defiance, MO: #20 of 37 inventorsTop 55%
🗺 Missouri: #13,067 of 23,789 inventorsTop 55%
Overall (All Time): #3,666,527 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5980257 Method and device for assisting handwriting training — 1999-11-09