Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5042125 | Apparatus for manufacturing stamp formed mufflers | Jon W. Harwood, Michael Clegg | 1991-08-27 |
| 4928372 | Process for manufacturing stamp formed mufflers | Jon W. Harwood, Michael Clegg | 1990-05-29 |
| 4901815 | Stamp formed mufflers | Jon W. Harwood | 1990-02-20 |
| 4847965 | Method of manufacturing stamp formed mufflers | Jon W. Harwood | 1989-07-18 |