At least one embodiment of the inventive technology relates to a snowboard having a lower surface that does not at any point along at least one specified portion thereof contact a horizontal surface underlying the snowboard when the snowboard is unweighted. Such portion(s) may be defined, at least in...http://www.google.com/patents/US7798514?utm_source=gb-gplus-sharePatent US7798514 - Cambered snowboard
