see also UK patent # 420,128

1. Dates: UK application 1934
   

2. Derailleur brand: Super Champion
   

3. Derailleur: Super Champion
   

see also H. H. England - Cycling Manual

1. Date: 1960
   

2. Derailleur brands: BSA, Cyclo Gear Company, Osgear, Resilion, Simplex, Sturmey-Archer, Super Champion
   

3. Derailleurs: Cyclo Benelux, Resilion Crimson Star, Simplex Juy 59
   

see also Mel Pinto catalog

1. Date: 1970 to 1975
   

2. Derailleur brands: Campagnolo, Huret, MAVIC, Shimano, Simplex, Stronglight, Sugino, SunTour, Super Champion
   

3. Derailleurs: too numerous to mention - see individual pages
   

see also Holdsworth - Bike Riders Aids

1. Date: 1975
   

2. Derailleur brands: Campagnolo, Cyclo Gear Company, GB, Huret, Regina, Simplex, Stronglight and Super Champion
   

3. Derailleurs: too many to mention