Patents Assigned to Urban R. Nannig
  • Composite insole
    Patent number: 5123180
    Abstract: Insole formed as a composite of a network of reinforcing fibers embedded in a matrix of a thermoplastic material having a softening temperature in the order of 90.degree. C. and retains its softening for a reasonable time at a lower temperature that is not uncomfortable to the human skin. The insole is formed to the shape of the bottom of the wearer's foot by placing it while still soft in the shoe and allowing it to harden while being subjected to the wearer's standing weight.
    Type: Grant
    Filed: April 12, 1991
    Date of Patent: June 23, 1992
    Assignee: Urban R. Nannig
    Inventors: Urban R. Nannig, William H. Cochran