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Hans-Rudolf Drayer

📍 Denzlingen, DE: #45 of 111 inventorsTop 45%
Overall (All Time): #2,255,012 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5988212 Connecting unit having a gas pressure regulating apparatus mounted between a gas cylinder and a gas burner apparatus Dimitri Dutat 1999-11-23
5325790 Rollback-preventing apparatus for a rail vehicle 1994-07-05