HH

Hardwin E. A. von Hahn

📍 Burns Lake, CA: #432 of 1,404 inventorsTop 35%
Overall (All Time): #3,992,292 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4576812 Chlorination of copper, lead, zinc, iron, silver and gold — 1986-03-18