Issued Patents 1997
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5690319 | Pneumatic suspension system | Frank Robinson, William C. Kruckemeyer, Herbert S. Summers, Jay Michael Shores, Stephen Carey Hagwood | 1997-11-25 |
| 5690396 | Proportional fluid pressure regulation system | Gary Lee Johnston, William C. Kruckemeyer, Richard E. Longhouse, Michael Oliver | 1997-11-25 |
| 5620028 | Brake Module with integrated accumulator | Gary Lee Johnston, Richard E. Longhouse, William C. Kruckemeyer, Michael Oliver | 1997-04-15 |
| 5609401 | Proportional braking system with dual poppet valves | Gary Lee Johnston, William C. Kruckemeyer, Michael Oliver, Richard E. Longhouse | 1997-03-11 |
| 5605384 | Access valve evacuation and fill of inaccessible cavities | Gary Lee Johnston, William C. Kruckemeyer, Michael Oliver | 1997-02-25 |