Inventor · disambiguated record
David K. Camfield
Also filed as: CAMFIELD DAVID K
17 granted patents·360 citations·filing 1987–1996
95Inventor score
Top patents by PatentIndex Score
17 records- 0190USD375767SSki exercise machineROADMASTER CORP·Filed 1994·Granted Nov 19, 1996·35 cites·1 claims
- 0289US5782540APlastic wheel and method of making sameBRUNSWICK CORP·Filed 1996·Granted Jul 21, 1998·61 cites·31 claims
- 0381USD368242SBicycleROADMASTER CORP·Filed 1994·Granted Mar 26, 1996·21 cites·1 claims
- 0477USD376123SSet of bicycle frame attachmentsROADMASTER CORP·Filed 1995·Granted Dec 3, 1996·21 cites·1 claims
- 0575US5314207ABicycle with simulated motorcycle partsROADMASTER CORP·Filed 1992·Granted May 24, 1994·45 cites·21 claims
- 0674US5505493ABicycle with simulated motorcycle partsROADMASTER CORP·Filed 1994·Granted Apr 9, 1996·43 cites·27 claims
- 0774USD342702SBicycleROADMASTER CORP·Filed 1992·Granted Dec 28, 1993·16 cites·1 claims
- 0871USD345725SBicycle fairingROADMASTER CORP·Filed 1992·Granted Apr 5, 1994·14 cites·1 claims
- 0967USD364662SCombined base and arm mechanism for a ski exercise machineROADMASTER CORP·Filed 1995·Granted Nov 28, 1995·14 cites·1 claims
- 1067US4762317AStationary exercise deviceROADMASTER CORP·Filed 1987·Granted Aug 9, 1988·40 cites·2 claims
- 1166USD343599SBicycle shroudROADMASTER CORP·Filed 1992·Granted Jan 25, 1994·12 cites·1 claims
- 1262USD367021SSimulated motorcycle engine for a bicycleROADMASTER CORP·Filed 1994·Granted Feb 13, 1996·10 cites·1 claims
- 1357USD346138SBicycleROADMASTER CORP·Filed 1992·Granted Apr 19, 1994·8 cites·1 claims
- 1455USD345325SBicycle shroudCAMFIELD DAVID K·Filed 1992·Granted Mar 22, 1994·9 cites·1 claims
- 1547USD353638SExercise bicycleROADMASTER CORP·Filed 1993·Granted Dec 20, 1994·6 cites·1 claims
- 1645USD373980SBicycleROADMASTER CORP·Filed 1994·Granted Sep 24, 1996·4 cites·1 claims
- 1733USD376997SChopper bicycleROADMASTER CORP·Filed 1995·Granted Dec 31, 1996·1 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →