Ice vehicle

Improved apparatus for changing gear ratio in bicycles,...

Improved derailleur for bicycles

Improved pedaling mechanism for bicycles and the like

Inboard derailleur for multispeed bicycles

Incrementally variable transmission

Indoor wheelchair

Interchangeable bicycle pedal system

Interlocking safety handle for a friction drive apparatus

Internal combustion assist means for a bicycle

Internal guide tracks for elliptical bike and method of use

Internal mechanical automatic transmission assembly

Internal snow deflector for snowmobile track

Lever and clutch mechanism for human drawn vehicles

Lever-operating type of wheelchair

Light weight bicycle pedal

Lighted bicycle pedal

Linear driving apparatus

Lockable or releasable bicycle with bidirectional input and...

Loop driven vehicles