EL

Ellsworth W. Lapp

📍 Rockford, IL: #10 of 57 inventorsTop 20%
🗺 Illinois: #566 of 2,749 inventorsTop 25%
Overall (1982): #67,067 of 81,411Top 85%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4342332 Three-position, four-way rotary valve 1982-08-03