PATENTS
United States Patent 7,980,578
Japanese Patent 4783855
UK Patent EP2132081
French Patent EP2132081
Italian Patent 2.132.081
Swiss Patent 2132081
German Patent 2132081
Patent(s) Pending:
Spiral Drive Mechanism
United States Patent 7,980,578
Japanese Patent 4783855
UK Patent EP2132081
French Patent EP2132081
Italian Patent 2.132.081
Swiss Patent 2132081
German Patent 2132081
Patent(s) Pending:
Spiral Drive Mechanism