Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D532203 | Roller | Scott J. Tuman, Perry S. Dotterman, Steven J. Maxa, Arthur V. Lang, Mauro Porcini +2 more | 2006-11-21 |
| D531816 | Roller caddy | Scott J. Tuman, Perry S. Dotterman, Steven J. Maxa, Arthur V. Lang, Mauro Porcini +2 more | 2006-11-14 |
| D518260 | Cleaning head for a cleaning tool | Perry S. Dotterman, Thomas J. Herbrand, Kristine Krumhus, Michael J. Kubes | 2006-03-28 |