see also Boys’ Life - Browning advert

1. Date: 1974
   

2. Derailleur brands: Shimano, but see also Browning
   

3. Derailleurs: Shimano Tourney
   

see also US patent # 4,127,038

1. Date: US application 1976
   

2. Derailleur brands: Browning
   

3. Derailleurs: Browning SmartShift 400
   

see also US patent # 5,205,794

1. Date: US application 1983
   

2. Derailleur brands: Browning
   

3. Derailleurs: Browning SmartShift 400
   

see also SunTour Bicycle Equipment Catalog 1990

1. Date: 1989
   

2. Derailleur brands: SunTour, Browning
   

3. Derailleurs: too numerous to mention
   

see also SunTour Bicycle Equipment Catalog 1991

1. Date: 1990
   

2. Derailleur brands: SunTour, Browning
   

3. Derailleurs: too numerous to mention
   

Browning - web site

1. Date: 2002
   

2. Derailleur brands: Browning
   

3. Derailleurs: Browning SmartShift 400