A pouch has an airtight elongate closure mechanism adapted to provide vacuum retention within an interior of the pouch over an extended period of time when sealed. The closure mechanism includes a first pair of interlocking members that resealably mate together, a second pair of interlocking members...http://www.google.com/patents/US7784160?utm_source=gb-gplus-sharePatent US7784160 - Pouch and airtight resealable closure mechanism therefor
