Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6467123 | Airflow indicator | David Di Nunzio, Paul D. Stephens, Charles J. Thur, Michael F. Wright | 2002-10-22 |
| 6428589 | Two-stage particle separator for vacuum cleaners | Kenneth W. Bair | 2002-08-06 |