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Markham; Edward G.
Windsor, CA
No. of patents:

Patent Number Title Of Patent Date Issued
5252116 Organic base fertilizer from municipal sewage sludge October 12, 1993
A process for the production of a granular fertilizer product from biological or municipal sewage sludge is described. This process involves (1) gently blending the biological sludge with sufficient lime-containing material (preferably lime kiln dust) to raise the pH of the blended m

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