Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6875255 | Removable dirt separation system for a vacuum cleaner | William G. Alford, Jerry L. Balzer, Greg A. Bilek, Joseph A. Garisto, Erik D. Lesco +3 more | 2005-04-05 |
| 5961676 | Hard bag door with air directing arrangement | Douglass A. King, Raymond L. Lawer, Kurt D. Harsh, Douglas C. Barker, Jeffrey S. Louis +2 more | 1999-10-05 |
| 5863309 | Hard bag door with air directing arrangement | Jeffrey S. Louis, Kurt D. Harsh, William H. Theiss, Jr., David B. Rennecker | 1999-01-26 |