Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5865362 | Method of friction welding a support to a boxed vehicle structural assembly | John F. Hinrichs, Robert J. Heideman, Phillip C. Ruehl, Jianzhong Xie | 1999-02-02 |
| 5573222 | Method of manufacturing engine cradles | Phillip C. Ruehl, Stephen L. Kretschmer | 1996-11-12 |
| 5487219 | Method of manufacturing engine cradles | Phillip C. Ruehl, Stephen L. Kretschmer | 1996-01-30 |