SM

Sadao Mabuchi

BC Bridgestone Cycle Co.: 1 patents #13 of 30Top 45%
Overall (All Time): #3,929,905 of 4,157,543Top 95%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4838122 Speed change device for bicycle Kikuzo Takamiya, Kazuhiro Inoue 1989-06-13