Endless belt power transmission systems or components
Control for variable input to output speed-ratio
Including belt shiftable axially from one to another surface...
Inventor
active
Control means for shifting gears on dual shift bicycles
Control means for shifting gears on dual shift bicycles
Control means for shifting gears on dual shift bicycles
No associations
LandOfFree
Jack B. Darby does not yet have a rating. At this time, there are no reviews or comments for this inventor.
If you have personal experience with Jack B. Darby, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Jack B. Darby will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-P-1159219