PG

Paul F. Greenfield

Overall (All Time): #2,182,522 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6926830 Combined activated sludge-biofilm sequencing batch reactor and process Kin Man Ho, W. Wesley Eckenfelder, Jr. 2005-08-09
5525231 Method of operating a sequencing batch reactor Kin Man Ho, Kanthavanam Subramaniam, Jurg Keller 1996-06-11