Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5781962 | Carpet cleaning machine with maintenance-reducing features | Norman K. Harris, David G. Jansson, Mark A. Pleshek | 1998-07-21 |
| 5761764 | Carpet cleaning machine with improved system for removing dirty material | David G. Jansson, Mark A. Pleshek | 1998-06-09 |
| 5755006 | Transport platform and related carpet cleaning machine | Gregory J. Botting, Norman K. Harris, David G. Jansson, Ernest W. Middleton, Mark A. Pleshek +1 more | 1998-05-26 |