Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4399585 | Vacuum cleaner with constant air flow | Gunter Kullik, Robert Maier | 1983-08-23 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4399585 | Vacuum cleaner with constant air flow | Gunter Kullik, Robert Maier | 1983-08-23 |