see also French Patent # 245,148 - Loubeyre 1895
see also French Patent # 245,148 - Loubeyre 1895
- Publisher: L’Institut national de la propriété industrielle
- Date: French application February 1895
- Derailleur brands: Loubeyre, Boizot
- Derailleurs: Loubeyre La Polyceler
see also French Patent # 406,967 - Boizot 1908
see also French Patent # 406,967 - Boizot 1908
- Publisher: L’Institut national de la propriété industrielle
- Date: Belgian application September 1908, French application September 1909
- Derailleur brands: Boizot
- Derailleurs: Boizot 2 speed
see also French Patent # 406,967 Addition # 12,871 - Boizot 1910
see also French Patent # 406,967 Addition # 12,871 - Boizot 1910
- Publisher: L’Institut national de la propriété industrielle
- Date: French application June 1910
- Derailleur brands: Boizot
- Derailleurs: Boizot 2 speed, Boizot Tri-direct?
