Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7360275 | Dirt separation system for a vacuum cleaner | David M. J. Allgeier, Erik D. Lesco, David C. Kumpf | 2008-04-22 |
| 7247182 | Filter assembly for a vacuum cleaner | Russell H. Boyer, Jr., Michael A. Durbin, Erik D. Lesco, Leron R. Thomas | 2007-07-24 |
| 6875255 | Removable dirt separation system for a vacuum cleaner | William G. Alford, Greg A. Bilek, Joseph A. Garisto, Erik D. Lesco, David C. Kumpf +3 more | 2005-04-05 |
| 5983442 | Carpet extractor with automatic conversion | Jeffrey S. Louis, Edgar A. Maurer, David B. Rennecker, Gregg A. McAllise, Jeffery A. Morgan +3 more | 1999-11-16 |