Oddbjörn Hallenstvedt

Method of steering a boat with double outboard drives and boat having double outboard drives

Outboard Drive for Boats

Boat propeller transmission

Turning propeller drive for a boat

Method of steering aquatic vessels

Seat for a sealing ring

Device for assisted gear shifting of a transmission

Transmission assembly for a marine vessel

Control system for intermittently pulsing a valve controlling forward and reverse clutches a transmission and transmission fitted therewith

Transmission, especially for boat motors