Patents Represented by Attorney, Agent or Law Firm Edwin E. Gregg
  • Patent number: 6264681
    Abstract: A method of manufacturing a foot warming exothermic device comprises placing an exothermic composition of a viscous fluid form by printing or coating on one surface of a thin sheet base material and in at least one predetermined portion of the one surface to such a configuration as to cover a desired site of a human foot, and then placing a thin sheet covering material on the fluid exothermic composition so as to cover the exothermic composition, at least one or part of the base material and the covering material being gas permeable.
    Type: Grant
    Filed: August 11, 1999
    Date of Patent: July 24, 2001
    Assignee: Kabushiki Kaisha Genchi Kenkyusho
    Inventor: Akio Usui