HL

Herbert Langen

UN Unknown: 1 patents #145 of 1,640Top 9%
📍 Altbach, DE: #1 of 3 inventorsTop 35%
Overall (1989): #106,601 of 140,708Top 80%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4862846 Cooling water heater for internal combustion engines — 1989-09-05