Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4366138 | Carbon black useful for pigment for black lacquers | Richard Engel, Gerhard Kuhner, Reinhold Reck, Hans Schaefer, Manfred Voll | 1982-12-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4366138 | Carbon black useful for pigment for black lacquers | Richard Engel, Gerhard Kuhner, Reinhold Reck, Hans Schaefer, Manfred Voll | 1982-12-28 |