Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7341536 | Light weight differential case half | James Ridge, James F. Ziech | 2008-03-11 |
| D549731 | Vehicle differential case | James Ridge, James F. Ziech | 2007-08-28 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7341536 | Light weight differential case half | James Ridge, James F. Ziech | 2008-03-11 |
| D549731 | Vehicle differential case | James Ridge, James F. Ziech | 2007-08-28 |