Patent Number: 7,200,956

Title: Magnetic fluid cushioning device for a footwear or shoe

Abstract: A cushioning device for a footwear or shoe includes a chamber with a magnetically responsive fluid therein for absorbing and/or dampening vibrations and/or shocks. A magnetic member, such as an electromagnet, is provided for applying a magnetic field to the magnetic fluid to thereby vary the viscosity thereof.

Inventors: Kotha; Sanjay (Falls Church, VA), Sudarshan; Tirumalai S. (Vienna, VA)

Assignee: Materials Modification, Inc.

International Classification: A43B 13/20 (20060101)

Expiration Date: 2019-04-10 0:00:00