Issued Patents 2023
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11752462 | Effluent processing apparatus and method for a vehicle air brake charging system | David W. Perry, Gregory R. Ashley, Fred W. Hoffman | 2023-09-12 |
| 11596885 | Oil sequestering spin-on cartridge | David W. Perry, Timothy Carritte | 2023-03-07 |