Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6735812 | Dual mode carpet cleaning apparatus utilizing an extraction device and a soil transfer cleaning medium | Frederick A. Hekman, Larry Wydra | 2004-05-18 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6735812 | Dual mode carpet cleaning apparatus utilizing an extraction device and a soil transfer cleaning medium | Frederick A. Hekman, Larry Wydra | 2004-05-18 |