Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D499887 | Portion of a cleaning sheet | Arthur Wong, Andrew W. Delaney | 2004-12-21 |
| D498930 | Cleaning sheet | Arthur Wong, Andrew W. Delaney | 2004-11-30 |
| D489537 | Cleaning sheet | Arthur Wong, Andrew W. Delaney | 2004-05-11 |