WH

Willard J. Harder

📍 Minneapolis, MN: #22 of 128 inventorsTop 20%
🗺 Minnesota: #156 of 1,035 inventorsTop 20%
Overall (1982): #23,977 of 81,411Top 30%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4338921 Solar liquid heating system James M. Pickett 1982-07-13