Issued Patents 2002
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6499182 | Convertible blower port for vacuum cleaner | Robert C. Berfield, Kevin D. Fry, Randy L. Buss | 2002-12-31 |
| 6494544 | Axle and wheel mounting system for a wet/dry vacuum cleaner | Robert C. Berfield, David Martinez | 2002-12-17 |
| 6484351 | Latching system for a vacuum cleaner with detachable blower | Craig A. Seasholtz | 2002-11-26 |
| 6381803 | Vacuum cleaner | Robert C. Berfield, Mark E. Baer | 2002-05-07 |