Inventor · disambiguated record
Duane R. Steelman
Also filed as: STEELMAN DUANE R
2 granted patents·1 citations·filing 2014–2017
35Inventor score
Technology areasC02F
Files withFRAZER AND CRUICKSHANK LIVING TRUST DATED 3/24/1982 THE1THE FRAZER AND CRUICKSHANK LIVING TRUST DATED 3/24/19821
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2 records- 0164US9725335B2Removal of copper from aqueous streams using an iron promoted activated aluminaTHE FRAZER AND CRUICKSHANK LIVING TRUST DATED 3/24/1982·Filed 2014·Granted Aug 8, 2017·1 cites·10 claims
- 0253US10301192B2Removal of copper from aqueous streams using an iron promoted activated aluminaFRAZER AND CRUICKSHANK LIVING TRUST DATED 3/24/1982 THE·Filed 2017·Granted May 28, 2019·0 cites·8 claims
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