Transportation – Cycle or motorcycle – Element or attachment
Patent
1987-05-04
1990-05-08
Gandy, James M.
Transportation
Cycle or motorcycle
Element or attachment
Patent
active
D03077357
REFERENCES:
patent: 4322209 (1982-03-01), Shimano
American Bicyclist & Motorcyclist, 12/86, p. 108, Bike-O-Matic Derailleur Shifter.
Bike-O-Matic Ltd.
Brown Melody
Gandy James M.
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