Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12290791 | Accurate odorization control | Charles Spencer Toft, Preston Tyler Bender Marcoux | 2025-05-06 |
| 11712672 | Accurate odorization control | Charles Spencer Toft, Preston Tyler Bender Marcoux | 2023-08-01 |
| 11123678 | Air filtration device | Charles Spencer Toft | 2021-09-21 |