Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7219390 | Surface cleaner with folding upright handle and method of packaging same | Michael A. Johnson | 2007-05-22 |
| 6820388 | Stackable wall panel assembly and connector therefor | Thomas J. Newhouse, David B. Martin, Mark J. Dinneweth, Steven M. Van Weiren, Thomas L. Verkaik | 2004-11-23 |
| 6729085 | Wall panel system | Thomas J. Newhouse, David B. Martin, Mark J. Dinneweth, Steven M. Van Weiren, Thomas L. Verkaik | 2004-05-04 |