Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10982707 | Tie bolt retention | Alan M. Bonifas | 2021-04-20 |
| 10190696 | Valve retaining cup | — | 2019-01-29 |
| 10059318 | Emergency brake system with dual input | Efrem E. Ayichew | 2018-08-28 |
| 9366549 | State sensor systems and methods | Andrew Joseph Slanker, Joseph E. Beason | 2016-06-14 |
| 6589032 | Pump and pump piston assembly | David Fredrick Reuter | 2003-07-08 |
| 6302385 | Vibration isolation mount | David Joseph Koester, Garry M. Guthrie | 2001-10-16 |
| 5690319 | Pneumatic suspension system | Frank Robinson, James William Zehnder, II, William C. Kruckemeyer, Jay Michael Shores, Stephen Carey Hagwood | 1997-11-25 |
| 5678810 | Pneumatic suspension system | Jay Michael Shores, Stephen Carey Hagwood, Frank Robinson, William C. Kruckemeyer | 1997-10-21 |