HS

Helmut Siegmund

📍 Bad Honnef, DE: #31 of 84 inventorsTop 40%
Overall (All Time): #2,200,429 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6539681 Spacer plate for a hollow floor and a hollow floor made therewith — 2003-04-01
5042569 Surface element for a heatable floor with hollow spaces — 1991-08-27