HS

Hans E. Sylvest

📍 Frederikssund, DK: #3 of 11 inventorsTop 30%
Overall (1989): #37,345 of 140,708Top 30%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4810446 Method of making straw briquettes — 1989-03-07