Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4860853 | Stamp formed muffler with nonplanar array of tubes | — | 1989-08-29 |
| 4821840 | Stamp formed exhaust muffler with conformal outer shell | Jon W. Harwood | 1989-04-18 |
| 4806726 | Apparatus for machining a bent elongated member of variable configuration | Bruno A. Rosa, Jon W. Harwood, Peter L. Resuggan | 1989-02-21 |