Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11173266 | Closed suction cleaning devices, systems and methods | David Mark Chersky, Arthur A. Bertolero | 2021-11-16 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11173266 | Closed suction cleaning devices, systems and methods | David Mark Chersky, Arthur A. Bertolero | 2021-11-16 |