Issued Patents All Time
Showing 51–56 of 56 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5620028 | Brake Module with integrated accumulator | Gary Lee Johnston, James William Zehnder, II, Richard E. Longhouse, William C. Kruckemeyer | 1997-04-15 |
| 5609401 | Proportional braking system with dual poppet valves | Gary Lee Johnston, James William Zehnder, II, William C. Kruckemeyer, Richard E. Longhouse | 1997-03-11 |
| 5605384 | Access valve evacuation and fill of inaccessible cavities | Gary Lee Johnston, William C. Kruckemeyer, James William Zehnder, II | 1997-02-25 |
| 5560454 | Piston with bi directional passive disk valve and extension-openable regulating valve | Eric L. Jensen | 1996-10-01 |
| 5207301 | Active suspension actuator with real time damping | William C. Kruckemeyer, James Louis Lopez, Jr. | 1993-05-04 |
| 4185721 | Springless seal for shock absorber | Elgin J. Karklins | 1980-01-29 |