Issued Patents 2019
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10470629 | Autonomous surface cleaning robot for dry cleaning | Andrew Ziegler, Christopher John Morse, Duane L. Gilbert, Jr. | 2019-11-12 |
| 10213081 | Autonomous surface cleaning robot for wet and dry cleaning | Andrew Ziegler, Christopher John Morse, Duane L. Gilbert, Jr., Scott Pratt, Paul E. Sandin +1 more | 2019-02-26 |