WORLDWIDE PATENTS

- USA: US. 6,300,941; US. 6,532,002

- CANADA: CA. 2,347,082

- BRAZIL: DI. 5,901,042-8; MU. 7,903,331

- ARGENTINA: AR. 009,025B4

- MEXICO: 226639

- EUROPE (Pending)

- JAPAN: 4414101