US Patent 2,187,368 - Simplex Champion du Monde scan 2

DISRAELI DOCUMENTS

US Patent # 2,187,368
scan 2 of 3

Publisher: US Patent and Trademark Office
Document: US Patent # 2,187,368 - Simplex
Date: US application filed October 1939
Derailleur brands: Simplex
Derailleurs: Simplex Champion du Monde, Simplex Champion de France

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US Patent 2,187,368 - Simplex Champion du Monde scan 2 main image

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Simplex Champion de France derailleur thumbnail

Simplex Champion de France (late 1935 version)