Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5314638 | Ion exchange materials produced from hydrolyzed, debituminized, sulfonated peat | Steven A. Spigarelli | 1994-05-24 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5314638 | Ion exchange materials produced from hydrolyzed, debituminized, sulfonated peat | Steven A. Spigarelli | 1994-05-24 |