Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |