Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4574419 | Device for treatment of surfaces, particularly for cleaning and polishing | — | 1986-03-11 |
| 4419784 | Portable brush vacuum cleaner | — | 1983-12-13 |
| 4357730 | Portable cleaning apparatus | — | 1982-11-09 |
| 4295240 | Cleaning device | — | 1981-10-20 |
| 4277861 | Cleaning device for Venetian blinds | — | 1981-07-14 |