Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5690396 | Proportional fluid pressure regulation system | James William Zehnder, II, William C. Kruckemeyer, Richard E. Longhouse, Michael Oliver | 1997-11-25 |
| 5620028 | Brake Module with integrated accumulator | James William Zehnder, II, Richard E. Longhouse, William C. Kruckemeyer, Michael Oliver | 1997-04-15 |
| 5609401 | Proportional braking system with dual poppet valves | James William Zehnder, II, William C. Kruckemeyer, Michael Oliver, Richard E. Longhouse | 1997-03-11 |
| 5605384 | Access valve evacuation and fill of inaccessible cavities | William C. Kruckemeyer, James William Zehnder, II, Michael Oliver | 1997-02-25 |