see also US patent # 2,431,513

1. Dates: US application 1944
   

2. Derailleur brands: Schwinn
   

3. Derailleurs: no known commercial product
   

see also Boys’ Life - Schwinn advert

1. Dates: 1960
   

2. Derailleur brands: Simplex, see also Schwinn
   

3. Derailleurs: Simplex Tour de France
   

see also Boys’ Life - Schwinn advert

1. Dates: 1961
   

2. Derailleur brands: Simplex, see also Schwinn
   

3. Derailleurs: Simplex Tour de France
   

see also Boys’ Life - Schwinn advert

1. Dates: 1962
   

2. Derailleur brands: Huret, see also Schwinn
   

3. Derailleurs: Huret Allvit (2nd style)
   

see also Boys’ Life - Schwinn advert

1. Dates: 1963
   

2. Derailleur brands: Huret, see also Schwinn
   

3. Derailleurs: Huret Allvit (2nd style)
   

see also US trademark # 786,694

1. Dates: first use 1963, US application 1963
   

2. Derailleur brands: Schwinn
   

3. Derailleurs: Schwinn Sprint
   

see also Boys’ Life - Schwinn advert

1. Dates: 1964
   

2. Derailleur brands: Schwinn, manufactured by Huret
   

3. Derailleurs: Schwinn Sprint (1st style)
   

Schwinn Sprint - card

1. Dates: 1964?
   

2. Derailleur brands: Schwinn, Manufactured by Huret
   

3. Derailleurs: Schwinn Sprint (3848)
   

see also Boys’ Life - Schwinn advert

1. Dates: 1974
   

2. Derailleur brands: Schwinn, manufactured by Shimano
   

3. Derailleurs: Schwinn GT400 Le Tour
   

see also Boys’ Life - Schwinn advert

1. Dates: 1975
   

2. Derailleur brands: Schwinn, manufactured by Shimano
   

3. Derailleurs: Schwinn GT400 Le Tour
   

Schwinn All Terrain Bicycles

1. Dates: 1981
   

2. Derailleur brands: Schwinn, SunTour
   

3. Derailleurs: SunTour AG