Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12305343 | In-line damping systems and methods | John R. Crigler, Eric Sommer, Justin Malcolm Campbell, Christopher Daryl Ledford, Simon Ruas | 2025-05-20 |
| 9879804 | Duct coupler devices, systems, and related methods | John R. Crigler, Gus Dean Hammonds, Gregory A. Hunsicker | 2018-01-30 |