Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5351362 | Active vacuum cleaner nozzle | Klaus-Dieter Riehl | 1994-10-04 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5351362 | Active vacuum cleaner nozzle | Klaus-Dieter Riehl | 1994-10-04 |