JW

Johann Georg Welz

📍 Memmelsdorf, DE: #16 of 27 inventorsTop 60%
Overall (All Time): #3,600,824 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6322052 Ventilation valve Hermann Jeuthner, Alfons Leicht 2001-11-27