WR

Walter Ries

BA Braunschweigische Maschinenbauanstalt Ag: 2 patents #4 of 26Top 20%
📍 Bad Mergentheim, DE: #90 of 255 inventorsTop 40%
Overall (All Time): #2,369,747 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4263090 Apparatus for drying sludge — 1981-04-21
4255232 Method for drying sludge — 1981-03-10