HJ

Hermann J. Janssen

📍 Thalwil, CH: #7 of 13 inventorsTop 55%
Overall (1989): #106,773 of 140,708Top 80%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4815966 Burner for burning liquid or gaseous fuels 1989-03-28