Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5039133 | Suction nozzle coupling having rotatably mounted therein a connector for a suction hose | — | 1991-08-13 |
| 4537424 | Cleaning apparatus | Siegfried Maier | 1985-08-27 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5039133 | Suction nozzle coupling having rotatably mounted therein a connector for a suction hose | — | 1991-08-13 |
| 4537424 | Cleaning apparatus | Siegfried Maier | 1985-08-27 |