Issued Patents 2003
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6536072 | Compression latch for dirt cup | Charles J. Thur, Michael Seifried, Paul D. Stephens, Jeffrey M. Kalman | 2003-03-25 |
| 6532621 | Vacuum cleaner with noise suppression features | Paul D. Stephens, Jeffrey M. Kalman, Charles J. Thur | 2003-03-18 |
| 6523222 | Airflow shut-off mechanism for vacuum cleaner | Robert Vystrcil, Charles J. Thur | 2003-02-25 |
| 6510584 | Flow cut-off and brushroll shut-off mechanism for vacuum cleaner | Robert Vystrcil, Charles J. Thur | 2003-01-28 |