JK

Joseph Kettell

LC Lummus Crest: 1 patents #24 of 57Top 45%
Overall (All Time): #3,983,234 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4698219 Treatment of waste from iron ore reduction Utah Tsao 1987-10-06