Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4339592 | Process for the production of urethanes | Robert Becker, Gunter Stammann, Johann Grolig | 1982-07-13 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4339592 | Process for the production of urethanes | Robert Becker, Gunter Stammann, Johann Grolig | 1982-07-13 |