Issued Patents 2018
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10130237 | Systems for steam cleaning | Lee M. Cottrell, Paul Grandstrand | 2018-11-20 |
| D833097 | Mop head | Scott Niedzwecki, Junghwan Chei | 2018-11-06 |
| D833098 | Mop head | Scott Niedzwecki, Junghwan Chei | 2018-11-06 |
| D829398 | Mop head | Scott Niedzwecki, Junghwan Chei | 2018-09-25 |