PATENT NUMBER: 5503419

TITLE:Close-coupled tandem bicycle
A close-coupled tandem bicycle is described with a shorter wheelbase ...

PATENT NUMBER: 5716065

TITLE: Tandem bicycle
A tandem bicycle which includes a bicycle and a rear cycle unit ...

PATENT NUMBER: D364835

TITLE: Tandem bicycle
The ornamental design for a tandem bicycle with dual rear wheels ...

PATENT NUMBER: 5522610

TITLE: Bicycle adapted for tandem use
Bicycles are adapted to be combined by removing the front wheel of one of the bicycles ...

PATENT NUMBER: 5836600

TITLE: Tandem bicycle with detachable and foldable rear bicycle frame
A separable tandem bicycle includes a front bicycle frame, a rear bicycle frame, and a connecting member ...

PATENT NUMBER: 5860662

TITLE: Bicycle to tandem converter
Acoupler for coupling two standard bicycles together ...

PATENT NUMBER: 5282639

TITLE: Folding tandem bicycle
A folding tandem bicycle includes a front body part, a rear body part, and intermediate body part connected ...

PATENT NUMBER: 5135246

TITLE: Foldable tandem bicycle
A foldable tandem bicycle employs three separate frames joined at concentric seat tubes ...