Inventor · disambiguated record
Joan M. Duckenfield
Also filed as: DUCKENFIELD JOAN · DUCKENFIELD JOAN M
3 granted patents·89 citations·filing 1991–1993
74Inventor score
Technology areasA61K
Files withCOLGATE PALMOLIVE CO3
Top patents by PatentIndex Score
3 records- 0175US5256401AAntibacterial antiplaque mouthwash compositionCOLGATE PALMOLIVE CO·Filed 1992·Granted Oct 26, 1993·57 cites·10 claims
- 0259US5354550AVisually clear gel dentifriceCOLGATE PALMOLIVE CO·Filed 1993·Granted Oct 11, 1994·22 cites·14 claims
- 0344US5252313AVisually clear gel dentifriceCOLGATE PALMOLIVE CO·Filed 1991·Granted Oct 12, 1993·10 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →