Assignee
PI HSIANG MACHINERY MFG CO
TW·4 granted patents·203 citations·filing 2003–2004
Top patents by PatentIndex Score
4 records- 0191US7021641B2Suspension structure for wheelchairPI HSIANG MACHINERY MFG CO·Filed 2003·Granted Apr 4, 2006·83 cites·4 claims
- 0290US7175193B2Wheel bracket mechanism for an electric wheelchair equipped with auxiliary wheelsPI HSIANG MACHINERY MFG CO·Filed 2003·Granted Feb 13, 2007·84 cites·4 claims
- 0370USD510715SElectric bicyclePI HSIANG MACHINERY MFG CO·Filed 2004·Granted Oct 18, 2005·16 cites·1 claims
- 0464US7055835B2Suspension structure for front wheel assembly of wheelchairPI HSIANG MACHINERY MFG CO·Filed 2003·Granted Jun 6, 2006·20 cites·4 claims
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