Safety brake for in-line skates

Safety brake using bearings for in-line skates

Self leveling in-line skate brake

Shock absorbent in-line roller skate

Shock absorbent in-line roller skate

Shock absorbent in-line roller skate with wheel brakes-lock

Shock absorber device for roller skates

Shock absorber for a skate

Shock absorber for skates

Shock absorbing blade roller skates

Shock absorbing quad and inline roller skates

Shock absorbing skateboard truck assembly

Shock absorbing structure of inline skates

Shoe for skating and walking

Shoe with detachable sporting device

Shoe with retractable rollers

Shoes for walking and rolling

Simplified steerable roller skate

Single roller skate

Single-track roller skate and wheels for use therewith