Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4810291 | Floor care preparation | Rainer Osberghaus, Harald Bossek, Karl-Heinz Rogmann | 1989-03-07 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4810291 | Floor care preparation | Rainer Osberghaus, Harald Bossek, Karl-Heinz Rogmann | 1989-03-07 |