Inventor · disambiguated record
David B. Ringelberg
Also filed as: RINGELBERG DAVID B · RINGELBERG DAVID BRUCE
2 granted patents·1 pending application·30 citations·filing 2001–2008
60Inventor score
Top patents by PatentIndex Score
3 records- 0188US6776816B1Methods for accelerating production of magnesium ammonium phosphate while attaining higher yields thereof and a slow-release fertilizer produced therefromUS ARMY·Filed 2003·Granted Aug 17, 2004·27 cites·28 claims
- 0265US7824569B2Soluble salt produced from a biopolymer and a process for producing the saltUS ARMY·Filed 2008·Granted Nov 2, 2010·3 cites·25 claims
- 0342US2003145639A1Efficient fertilizer and enzyme-assisted method of productionSECRETARY OF ARMY·Filed 2001·Application pending·0 cites
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