Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D419839 | Corkscrew | Rolf G. Schulein | 2000-02-01 |
| 5494187 | Breadbox | Rolf G. Schuelein | 1996-02-27 |
| 5375284 | Sweeper with molded sweeping roller having flexible sweeping strips | Rolf G. Schulein | 1994-12-27 |
| 4489457 | Height adjustment means for a cylindrical brush in a carpet sweeper | Rolf G. Schulein | 1984-12-25 |