Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6341664 | Exhaust muffler with stamp formed internal assembly | — | 2002-01-29 |
| 5907904 | Method of manufacturing an exhaust muffler with stamp formed internal components | Jon W. Harwood, Bruno A. Rosa | 1999-06-01 |
| 5816361 | Exhaust mufflers with stamp formed internal components and method of manufacture | — | 1998-10-06 |
| 5717173 | Exhaust mufflers with stamp formed internal components and method of manufacture | Jon W. Harwood, Bruno A. Rosa | 1998-02-10 |
| 4545605 | Welded tube and flange, e.g., for exhaust manifold | Robert Kovacs, Willy Herrmann | 1985-10-08 |
| 4516659 | Replacement muffler and process for making same | James R. Hall, Donald P. Harter, Michael Clegg | 1985-05-14 |
| 4500030 | Flange weld technique | Robert Kovacs, Willy Herrmann | 1985-02-19 |
| 4486932 | Process for making a replacement muffler | James R. Hall, Donald P. Harter, Michael Clegg | 1984-12-11 |
| 4475623 | Universal muffler assembly | Jon W. Harwood, Clinton R. Hay | 1984-10-09 |
| 4473131 | Threaded muffler nipple and bushing | Michael Clegg, Jon W. Harwood, Clinton R. Hay | 1984-09-25 |