Seppo Korppoo

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Espoo, FI

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Patents Grantslast 30 patents

Information Patent Grant
Wheel driven air cushion vehicle
- Patent number 4,718,513
- Issue date Jan 12, 1988
- Oy Wartsila AB
- Seppo Korppoo
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Wheel propulsion device for air cushion vehicle
- Patent number 4,591,015
- Issue date May 27, 1986
- Oy Wartsila AB
- Seppo Korppoo
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Arrangement in air cushion vehicles
- Patent number 4,549,626
- Issue date Oct 29, 1985
- Oy Wartsila AB
- Seppo Korppoo
- B60 - VEHICLES IN GENERAL