Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5685755 | Non-asbestos diaphragm separator | John N. Zabasajja, John W. Gross, Sr., Charles W. Martin | 1997-11-11 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5685755 | Non-asbestos diaphragm separator | John N. Zabasajja, John W. Gross, Sr., Charles W. Martin | 1997-11-11 |