| RE39581 |
Brush head positioning system |
William Randall Stuchlik, Marvin Curtis, Gerald Courtney, James Keazer |
2007-04-24 |
| 6982509 |
Drip cover for floor polishing machine |
— |
2006-01-03 |
| 6560817 |
Floor cleaning system |
Alfred H. Lemke, Carl Lemke |
2003-05-13 |
| 6493896 |
Brush head positioning system |
William Randall Stuchlik, Marvin Curtis, Gerald Courtney, James Keazer |
2002-12-17 |
| 6433696 |
Carbon monoxide emitting apparatus, carbon monoxide monitor shutoff, and circuit therefor |
Shawn Wright, John F. Morse, Alfred H. Lemke |
2002-08-13 |
| 6301738 |
Solenoid valve and timing module kit for a floor treating apparatus |
Gerald Courtney |
2001-10-16 |
| 6105192 |
Solenoid valve and timing module for a floor treating apparatus |
Gerald Courtney |
2000-08-22 |
| 5797163 |
Liquid extraction machine |
Emert R. Whitaker, Michael Kramer |
1998-08-25 |
| 5745043 |
Indicator junction module for pressure washer |
Alfred H. Lemke, K. Leon Anderson |
1998-04-28 |