Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4659494 | Carpet cleaning composition contains a cellulose powder from a hardwood source | Heinz-Dieter Soldanski, Bernd-Dieter Holdt | 1987-04-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4659494 | Carpet cleaning composition contains a cellulose powder from a hardwood source | Heinz-Dieter Soldanski, Bernd-Dieter Holdt | 1987-04-21 |