Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9713411 | Surface-treatment apparatus and head unit | Joseph S. Gardner, David B. Rennecker, John T. Lackner, John R. Crossen | 2017-07-25 |
| 7854038 | Vacuum cleaner with removable handle | Terry L. Zahuranec, David Scott Smith, Daniel L. Steele | 2010-12-21 |
| 7694383 | Upright vacuum cleaner with removable power head | Terry L. Zahuranec, David Scott Smith, Daniel L. Steele | 2010-04-13 |
| 7587786 | Vacuum cleaner with removable handle | Terry L. Zahuranec, David Scott Smith, Daniel L. Steele | 2009-09-15 |
| 7409745 | Cleaning pad for vacuum cleaner | John T. Lackner, John R. Lackner | 2008-08-12 |
| 6886215 | Vacuum cleaner fill tube with valve | Philip G. Hays, Robert L. Petrosky, Phillip Bearden | 2005-05-03 |
| 6517596 | Wet pickup attachment for vacuum cleaners | William G. Badley, Chris Konstantacos | 2003-02-11 |
| 6324723 | Wet pickup attachment for vacuum cleaners | William G. Badley, Chris Konstantacos | 2001-12-04 |
| D449138 | Wet pickup vacuum attachment | William G. Badley, Chris Konstantacos, Daniel L. Steele | 2001-10-09 |