RF

Robert E. Fergen

📍 Raleigh, NC: #2,960 of 6,378 inventorsTop 50%
🗺 North Carolina: #18,756 of 45,564 inventorsTop 45%
Overall (All Time): #2,250,293 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5916448 Chemical conditioning of liquid and semi-liquid sludge for dewatering, odor control, pathogen control, nutrient enhancement of the residual, and handling characteristics — 1999-06-29
5385673 Method of treating wastewater biosolids — 1995-01-31