Road/rail vehicle
Self contained boat trailer
Self-aligning platform mechanism for low-floor vehicles...
Self-propelled floating structure
Self-steering rail-wheel set for convertible rail- highway...
Side shift railway guide wheel apparatus
Snowmobile flotation system
Snowmobile powered watercraft
Snowmobile quick-deployment floats
Solution vehicle
Steering mechanism for vehicle
Support structure for rail vehicle
Suspension floatation casing
Suspension system
Swamp clearing machine
Three-wheeled vehicle
Track tension overload device
Track-bound carriage with set-off apparatus
Tracked amphibious vehicle and adaptable amphibious tracking...
Train of highway trailers and method of making