see also Boys’ Life - Browning advert

1. Date: December 1974
   

2. Derailleur brands: Shimano, but see also Browning
   

3. Derailleurs: Shimano Tourney
   

see also US patent # 4,127,038

1. Inventor: Bruce W. Browning
   

2. US application filed: August 1976
   

3. Derailleur brands: Browning
   

4. Derailleurs: Browning SmartShift 400
   

see also US patent # 5,205,794

1. Inventor: Bruce W. Browning
   

2. US application filed: November 1983
   

3. Derailleur brands: Browning
   

4. Derailleurs: Browning SmartShift 400
   

Browning - web site

1. Date: December 2002
   

2. Derailleur brands: Browning
   

3. Derailleurs: Browning SmartShift 400