Abstract: An athletic running shoe having a polymeric foamed midsole and a special stiffening formation formed separately of the midsole and received between two layers of the midsole to reduce non-uniform midsole degradation.
Type:
Grant
Filed:
July 15, 1988
Date of Patent:
August 8, 1989
Assignee:
Tretorn AB
Inventors:
Kenneth W. Misevich, Rob R. McGregor, Anthony J. Corrao