Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6142310 | Magnetic sweeper | Gerald A. Haase | 2000-11-07 |
| 5285904 | Magnetic sweeper construction | — | 1994-02-15 |
| 5022588 | Water toy having umbrella spray pattern | — | 1991-06-11 |
| 4904376 | Metal catching cover | — | 1990-02-27 |
| 4715088 | Vacuum cleaner attachment | — | 1987-12-29 |
| 4609248 | Cord and end fitting protector | — | 1986-09-02 |
| 4279745 | Magnet attachment for vacuum cleaners | — | 1981-07-21 |