Issued Patents 2003
Showing 1–2 of 2 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 |
Showing 1–2 of 2 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 |