BN

Bonnie I. Nelson

ES Eltech Systems: 3 patents #40 of 162Top 25%
Overall (All Time): #1,670,225 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4816177 Treating agent for liquid media Randolph C. Turk, Lemuel C. Curlin 1989-03-28
4759907 Feeder device and method for adding solid material to a liquid of variable flow rate Richard J. Kawolics, Philip J. Zivich 1988-07-26
4732689 Feeder assembly for adding dissolvable agent to a flowing liquid Donald J. Harvey, Richard J. Coin, Homer L. Turley 1988-03-22