WH

Willem J. Hagendoorn

📍 Louisville, KY: #1,258 of 3,201 inventorsTop 40%
🗺 Kentucky: #4,404 of 11,577 inventorsTop 40%
Overall (All Time): #2,305,242 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5259867 Method of treating dross materials in metallurgical melting processes — 1993-11-09
4450569 Method and structure for maintaining effluent pressure range within an electric arc melting furnace — 1984-05-22