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US Patent # 6,203,459

Publisher: US Patent and Trademark Office

Inventor: John L. Calendrille Jr.

Date: US application filed June 1999

Derailleur brands: Vivo

Derailleurs: Vivo V2


This is the second of three patents relating to Vivo rear derailleurs. This one is for the flexible dirt seal system on the Vivo V2.

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US_Patent_6,416,434_-_Vivo_V2.html
US_Patent_5,924,946_-_Vivo_V1.html

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