He successfully sold an automobile suspension system (système Dubonnet) to General Motors, but nearly went bankrupt late in life while working on solar energy.
Clifton Suspension Bridge | Niagara Falls Suspension Bridge | John A. Roebling Suspension Bridge | Active suspension | Torsion bar suspension | Suspension of Iftikhar Muhammad Chaudhry | Independent suspension | Dubonnet | Double wishbone suspension | Denham Suspension Bridge | Waco Suspension Bridge | ''système Dubonnet'' | Simple suspension bridge | Menai Suspension Bridge | independent suspension | Helicopter Rope Suspension Technique | Dubonnet suspension | Construction workers using the old suspension bridge to support the arch of the new bridge while under construction. Caption from ''Popular Science | Capilano Suspension Bridge |