DA

Donald W. Abrahamson

ES Eltech Systems: 4 patents #31 of 162Top 20%
Overall (All Time): #1,301,474 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4923582 Monopolar, bipolar and/or hybrid memberane cell Marilyn J. Harney, Elvin W. Vauss, Jr., Andrew J. Niksa, James J. Stewart 1990-05-08
4738763 Monopolar, bipolar and/or hybrid membrane cell Marilyn J. Harney, Elvin W. Vauss, Jr., Andrew J. Niksa, James J. Stewart 1988-04-19
4687553 Unitized electrode-intercell connector module Frank Solomon, Charles Grun, James J. Stewart, Marilyn J. Niksa 1987-08-18
4615784 Narrow gap reticulate electrode electrolysis cell James J. Stewart, Marilyn J. Harney 1986-10-07