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