Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5366636 | Method of treating water with resin bound ionic silver | George L. Marchin | 1994-11-22 |
| 5367031 | Oxidizing resin for iodide conversion and retention | George L. Marchin | 1994-11-22 |