Issued Patents 2023
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D998478 | Gas monitoring device | Charles Dennis Hughes, Henry J. Suwalski, Adrian Sirbu | 2023-09-12 |
| D980734 | Gas monitoring device | Charles Dennis Hughes, Henry J. Suwalski, Adrian Sirbu | 2023-03-14 |