Issued Patents 2017
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9788849 | Devices and methods for arched roof cutters | John To, Hiep Nguyen | 2017-10-17 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9788849 | Devices and methods for arched roof cutters | John To, Hiep Nguyen | 2017-10-17 |