DISRAELI DOCUMENTS
US Patent # 5,924,946
Publisher: US Patent and Trademark Office
Inventor: John L. Calendrille Jr.
Date: US application filed July 1997
Derailleur brands: Vivo
Derailleurs: Vivo V1
This is the first of three patents relating to Vivo rear derailleurs. This one is for the flexible dirt seal system on the Vivo V1.