DK

David J. Kierzkowski

Overall (All Time): #1,628,358 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6069113 Formulated copper algaecides John Puetz, Gang Wei 2000-05-30
5529700 Algicidal or algistatic compositions containing quaternary ammonium polymers Pamela A. Kuske 1996-06-25
5352409 Buffer and method for buffering hot tubs and spas 1994-10-04