Hub assembly for roller skates

Ice wheels

Illuminated roller skate wheel

Illuminated skate wheel

Illuminating roller for in-line skates

Imbalance compensating vehicle wheel attachment

In-line roller skate wheel

In-line roller skate wheel

In-line roller skate wheel assembly

In-line skate wheel

In-line skate wheel

In-line skate wheel axle assembly and frame

In-line skate wheels

In-line skate wheels

Inline wheel with softer tire and internal support structure

Light-generating wheel for an in-line skate

Low profile wheel balance weight

Machine or vehicle component and reinforcement element

Method and apparatus for transmitting torque

Method and device for aiding and enhancing rotary motion