Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5254260 | Membrane injector | Kenneth A. Nielsen, Jeffrey D. Goad | 1993-10-19 |
| 5194159 | Treatment of lower glycol-containing operative fluids | Kathleen F. George, John H. Robson, George E. Keller, II, Benjamin Bikson | 1993-03-16 |
| 5102549 | Treatment of lower glycol-containing operative fluids | Kathleen F. George, John H. Robson, George E. Keller, II, Benjamin Bikson | 1992-04-07 |
| 5034134 | Treatment of impurity-containing liquid streams in ethylene oxide/glycol processes with semi-permeable membranes | Kathleen F. George, John H. Robson, George E. Keller, II | 1991-07-23 |