Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5700436 | Purification of air in enclosed spaces | David T. Doughty, John W. Cobes, III, Thomas M. Matviya | 1997-12-23 |
| 5674462 | Method for the removal of non-metal and metalloid hydrides | Thomas M. Matviya | 1997-10-07 |
| 5637232 | Process for the catalytic oxidation of ferrous iron in liquid media | — | 1997-06-10 |