Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6745432 | Upright vacuum cleaner with cyclonic airflow | Michael F. Wright, Charles J. Thur, Paul D. Stephens, Mark E. Cipolla, Craig Barbeck | 2004-06-08 |
| 6721990 | Carpet extractor with dual nozzles for dual brushrolls | Terry L. Zahuranec, Robert A. Salo, Mark E. Cipolla, Wallace D. Tiller, Jr., Jeffrey M. Kalman +1 more | 2004-04-20 |