US Patent 2,564,576 - Simplex pull-chain scan 1

DISRAELI DOCUMENTS

US Patent # 2,564,576
scan 1 of 3

Publisher: US Patent and Trademark Office
Document: US Patent # 2,564,576 - Simplex
Date: US application filed March 1947, French application filed September 1945
Derailleur brands: Simplex
Derailleurs: Simplex pull-chain designs

US Patent 2,564,576 - Simplex pull-chain scan 1 main image