Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5203976 | Introducing and removing ion-exchange and other particulates rom an assembled electrodeionization stack | Keith J. Sims, Irving D. Elyanow, Thomas A. Prato | 1993-04-20 |
| 5120416 | Introducing and removing ion-exchange and other particulates from an assembled electrodeionization stack | Keith J. Sims, Irving D. Elyanow, Thomas A. Prato | 1992-06-09 |
| 5066375 | Introducing and removing ion-exchange and other particulates from an assembled electrodeionization stack | Keith J. Sims, Irving D. Elyanow, Thomas A. Prato | 1991-11-19 |
| 4977094 | Process for monitoring the quality of water | Arthur J. Goldstein | 1990-12-11 |
| 4969983 | Apparatus and process for the removal of acidic and basic gases from fluid mixtures using bipolar membranes | — | 1990-11-13 |
| 4940667 | Apparatus for monitoring the quality of water | Arthur J. Goldstein | 1990-07-10 |
| 4871431 | Apparatus for the removal of dissolved solids from liquids using bipolar membranes | — | 1989-10-03 |
| 4731049 | Cell for electrically controlled transdermal drug delivery | — | 1988-03-15 |
| 4707240 | Method and apparatus for improving the life of an electrode | Keith J. Sims, Arthur L. Goldstein | 1987-11-17 |