Issued Patents 2023
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11844420 | Methods for cleaning a surface | John W. Pringle-Iv, Chris J. Erickson | 2023-12-19 |
| 11759828 | Methods for cleaning surfaces with brushes | John W. Pringle, IV, Nicholas Ryan Farrell | 2023-09-19 |
| 11678737 | Methods for cleaning a surface | John W. Pringle-Iv, Chris J. Erickson | 2023-06-20 |
| 11572199 | End effector for cleaning objects having multiple surfaces | Richard Philip Topf, Steve Esparza, Martin Guirguis, Angelica Davancens, Steven E. Drenth | 2023-02-07 |