Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4863629 | Cleaning preparations for hard surfaces | Rainer Osberghaus, Karl-Heinz Rogmann | 1989-09-05 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4863629 | Cleaning preparations for hard surfaces | Rainer Osberghaus, Karl-Heinz Rogmann | 1989-09-05 |