Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5663272 | Allophanate-modified diphenylmethane diisocyanates and processes for their production and use | William E. Slack, David D. Steppan | 1997-09-02 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5663272 | Allophanate-modified diphenylmethane diisocyanates and processes for their production and use | William E. Slack, David D. Steppan | 1997-09-02 |