Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12369707 | Beveled broom and step-on dustpan cleaning system | Doug Metzel | 2025-07-29 |
| D986523 | V-trim broom | Doug Metzel | 2023-05-16 |
| 11564549 | Multidirectional dusting tool | Doug Metzel, Eric Martin, Robert G. Challman | 2023-01-31 |
| 11425990 | Beveled broom and step-on dustpan cleaning system | Doug Metzel | 2022-08-30 |
| D939172 | Step-on dustpan | Doug Metzel | 2021-12-21 |