KV

Karl H. Vahlbrauk

📍 Bad Gandersheim, DE: #14 of 30 inventorsTop 50%
Overall (All Time): #2,370,974 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4303125 Heat exchange structural element — 1981-12-01
4275536 Wall element for a construction wall — 1981-06-30