Inventor · disambiguated record
John Edward Madden
Also filed as: MADDEN IV JOHN E · MADDEN JOHN · MADDEN JOHN EDWARD
4 granted patents·1 pending application·33 citations·filing 1991–2022
74Inventor score
Top patents by PatentIndex Score
5 records- 0172US10175211B2Current-efficient suppressor and pretreatment device and methodDIONEX CORP·Filed 2014·Granted Jan 8, 2019·2 cites·19 claims
- 0265USD438487SHydroponic plant container portionFiled 1999·Granted Mar 6, 2001·16 cites·1 claims
- 0360US2024198255A1Method for the separation of anionic, cationic, neutral and zwitterionic arsenic speciesDIONEX CORP·Filed 2022·Application pending·0 cites
- 0455USD438816SDecorative hydroponic plant boxFiled 1999·Granted Mar 13, 2001·11 cites·1 claims
- 0519US5086940AContainer for newspapersPARKER DONNA M·Filed 1991·Granted Feb 11, 1992·4 cites·3 claims
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