US Patent # 4,143,557 - Sanyo - scan 13

DISRAELI DOCUMENTS

US Patent # 4,143,557 - Sanyo
scan 13 of 18

Publisher: US Patent and Trademark Office
Document: US Patent # 4,143,557 - Sanyo
Date: priority date April 1977
Derailleur brands: Maruishi
Derailleurs: Maruishi PC derailleur system

US Patent 4,143,557 - Sanyo scan 13 main image