Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6668552 | Hydraulic brake booster | William John Penninger, John Edmund Mackiewicz | 2003-12-30 |
| 6606859 | Master cylinder | John Edmund Mackiewicz | 2003-08-19 |
| 6050089 | Remotely located brake booster | Kenneth S. Towers | 2000-04-18 |
| 5456525 | Valve for traction control | — | 1995-10-10 |
| 5207061 | Master cylinder with externally adjusted secondary compensation | — | 1993-05-04 |
| 4679397 | Hydraulic power brake apparatus | Robert Jackson | 1987-07-14 |