JH

Jean V. Hengel

📍 Malvern, PA: #338 of 529 inventorsTop 65%
🗺 Pennsylvania: #43,221 of 74,527 inventorsTop 60%
Overall (All Time): #4,074,645 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4345902 Simplified phonics in the sequential steps to reading — 1982-08-24