US Patent 2,839,939 - Simplex Juy 543 scan 2

DISRAELI DOCUMENTS

US Patent # 2,839,939
scan 2 of 9

Publisher: US Patent and Trademark Office
Document: US Patent # 2,839,939 - Simplex
Date: US application filed June 1955, French application filed June 1954
Derailleur brands: Simplex
Derailleurs: Simplex Juy 543

US Patent 2,839,939 - Simplex Juy 543 scan 2 main image