Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4847965 | Method of manufacturing stamp formed mufflers | Wayne A. Karlgaard | 1989-07-18 |
| 4836330 | Plural chamber stamp formed muffler with single intermediate tube | Mark S. Kimmet | 1989-06-06 |
| 4821840 | Stamp formed exhaust muffler with conformal outer shell | Walter G. Moring, III | 1989-04-18 |
| 4806726 | Apparatus for machining a bent elongated member of variable configuration | Bruno A. Rosa, Walter G. Moring, III, Peter L. Resuggan | 1989-02-21 |