Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5087521 | Modified polymer containing articles | Jae-Hak Choi, John J. Mottine, Jr., Walter J. Sparzak, Sr., William C. Vesperman | 1992-02-11 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5087521 | Modified polymer containing articles | Jae-Hak Choi, John J. Mottine, Jr., Walter J. Sparzak, Sr., William C. Vesperman | 1992-02-11 |