HS

Hermann Schadel

HG Holstein & Kappert Gmbh: 1 patents #7 of 19Top 40%
📍 Schwerte, DE: #42 of 136 inventorsTop 35%
Overall (All Time): #2,369,725 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4304251 Double seat valve with leak control Franz X. Heinz 1981-12-08
4254792 Double-seat valve — 1981-03-10