Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4844880 | Process for the manufacture of sodium metabisulfite | Mark D. Dulik, Robert Wilson | 1989-07-04 |
| 4795476 | Method for permanganate bleaching of fabric and garments | Mark D. Dulik, Peter A. Monopoli | 1989-01-03 |