see also French Patent # 799,217 - Rota 1935

see also French Patent # 799,217 - Rota 1935

• Publisher: L’Institut national de la propriété industrielle
• Date: Priority date November 1935
• Derailleur brands: Rota
• Derailleurs: unknown

see also US Patent # 2,099,477 - Rota 1935

see also US Patent # 2,099,477 - Rota 1935

• Publisher: US Patent and Trademark Office
• Date: US application filed October 1936, French application filed November 1935
• Derailleur brands: Rota
• Derailleurs: Rota

see also French Patent # 823,097 - Rota 1936

see also French Patent # 823,097 - Rota 1936

• Publisher: L’Institut national de la propriété industrielle
• Date: Priority date September 1936
• Derailleur brands: Rota
• Derailleurs: Rota 301

see also French Patent # 825,297 - Rota 1936

see also French Patent # 825,297 - Rota 1936

• Publisher: L’Institut national de la propriété industrielle
• Date: Priority date November 1936
• Derailleur brands: Rota
• Derailleurs: unknown

see also Exportation de l'industrie Française - 1937 Rota ad

see also Exportation de l'industrie Française - 1937 Rota ad

• Publisher: Exportation de l'industrie Française
• Date: 1937
• Derailleur brands: Rota
• Derailleurs: Rota 301

Rota - leaflet 1948?

Rota - leaflet 1948?

• Publisher: Rota
• Date: 1948?
• Derailleur brands: Rota
• Derailleurs: none

see also French Patent # 1,020,393 - Rota 1950

see also French Patent # 1,020,393 - Rota 1950

• Publisher: L’Institut national de la propriété industrielle
• Date: Priority date June 1950
• Derailleur brands: Rota
• Derailleurs: unknown

see also Cyclo - Origine du dérailleur 1959

see also Cyclo - Origine du dérailleur 1959

• Publisher: Cyclo
• Date: 1959
• Derailleur brands: Cyclo, plus too many others to mention here
• Derailleurs: too many to mention

see also New Cycling 05/1981 - '81 Derailleur Collection

see also New Cycling 05/1981 - '81 Derailleur Collection

• Publisher: New Cycling
• Date: May 1981
• Derailleur brands: too numerous to list here
• Derailleurs: too numerous to list here