Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11634091 | Acoustic fiber silencer | Michael T. Campbell | 2023-04-25 |
| 11143071 | Hybrid acoustic silencer | Michael T. Campbell | 2021-10-12 |
| 5854452 | System for fastening sheet materials together | Michael T. Campbell | 1998-12-29 |