IS

Irving H. Spinner

EC Eco-Tec: 1 patents #6 of 9Top 70%
Overall (All Time): #4,105,346 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4186174 Process and apparatus for obtaining a more concentrated solution of a component using ion exchange beds Robert F. Hunter 1980-01-29