Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5322826 | Refractory material | Fred Brunk | 1994-06-21 |
| 5277887 | Process for the preparation of ammonium polyphosphate | Thomas Staffel, Herbert Neumann | 1994-01-11 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5322826 | Refractory material | Fred Brunk | 1994-06-21 |
| 5277887 | Process for the preparation of ammonium polyphosphate | Thomas Staffel, Herbert Neumann | 1994-01-11 |