see also French Patent # 763,536 - Rivierre 1933
see also French Patent # 763,536 - Rivierre 1933
- Publisher: L’Institut national de la propriété industrielle
- Date: French application October 1933
- Derailleur brands: Rivierre
- Derailleurs: unknown
see also French Patent # 780,238 - Rivierre 1934
see also French Patent # 780,238 - Rivierre 1934
- Publisher: L’Institut national de la propriété industrielle
- Date: French application October 1934
- Derailleur brands: Rivierre
- Derailleurs: unknown
see also French Patent # 796,708 - Rivierre 1935
see also French Patent # 796,708 - Rivierre 1935
- Publisher: L’Institut national de la propriété industrielle
- Date: French application October 1935
- Derailleur brands: Rivierre
- Derailleurs: unknown
