Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6151748 | Carpeting and surface cleaning apparatus | Kenneth F. Halls, Grant K. Halls | 2000-11-28 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6151748 | Carpeting and surface cleaning apparatus | Kenneth F. Halls, Grant K. Halls | 2000-11-28 |