Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12236930 | Sound-attenuating device and method of use thereof | Stephen Washburn, Melissa Washburn | 2025-02-25 |
| 10897666 | Sound-attenuating device and method of use thereof | Stephen Washburn, Melissa Washburn | 2021-01-19 |