Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6499174 | Cleaning brush having back-to-back planar and concave heads | — | 2002-12-31 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6499174 | Cleaning brush having back-to-back planar and concave heads | — | 2002-12-31 |