Inventor · disambiguated record
Tracy Don Witham
Also filed as: WITHAM TRACY DON
2 granted patents·1 pending application·9 citations·filing 2003–2015
53Inventor score
Technology areasB63H
Top patents by PatentIndex Score
3 records- 0144US6817913B1Recumbent quadrimanual forward-rowing deviceWITHAM TRACY D·Filed 2003·Granted Nov 16, 2004·7 cites·1 claims
- 0240US8257123B1Quadrimanual forward-rowing device with semi-independent oarsWITHAM TRACY DON·Filed 2009·Granted Sep 4, 2012·2 cites·1 claims
- 0319US2016325813A1Cycling Hull with Slow-Relative-Motion HydrodynamicsWITHAM TRACY DON·Filed 2015·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →