Assignee
CHALLENGE KARTS U S A INC
4 granted patents·150 citations·filing 1998–1998
Top patents by PatentIndex Score
4 records- 0189USD412138SBody-shell design for a racing go-cart vehicleCHALLENGE KARTS U S A INC·Filed 1998·Granted Jul 20, 1999·49 cites·1 claims
- 0285US6170596B1Racing go-cart vehicleCHALLENGE KARTS U S A INC·Filed 1998·Granted Jan 9, 2001·71 cites·23 claims
- 0379USD419507SSteering wheel having push-button shiftersCHALLENGE KARTS U S A INC·Filed 1998·Granted Jan 25, 2000·27 cites·1 claims
- 0434USD419504SChassis frame for a vehicleCHALLENGE KARTS U S A INC·Filed 1998·Granted Jan 25, 2000·3 cites·1 claims
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