Inventor · disambiguated record
David R. Spedden
Also filed as: SPEDDEN DAVID R
2 granted patents·6 citations·filing 2005–2009
53Inventor score
Technology areasB03D
Top patents by PatentIndex Score
2 records- 0161US8231008B2Column flotation cell for enhanced recovery of minerals such as phosphates by froth flotationPATTERSON STANLEY A·Filed 2009·Granted Jul 31, 2012·4 cites·26 claims
- 0258US7510083B2Column flotation cell for enhanced recovery of minerals such as phosphates by froth flotationMOSAIC CO·Filed 2005·Granted Mar 31, 2009·2 cites·23 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →