Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7908707 | Floor cleaning apparatus with filter cleaning system | Donald Eugene Proffitt | 2011-03-22 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7908707 | Floor cleaning apparatus with filter cleaning system | Donald Eugene Proffitt | 2011-03-22 |