Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4330900 | Vacuum cleaner with filling-condition indicator | Georg Haase, Paul-Ulrich Uibel | 1982-05-25 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4330900 | Vacuum cleaner with filling-condition indicator | Georg Haase, Paul-Ulrich Uibel | 1982-05-25 |