Issued Patents All Time
Showing 26–41 of 41 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4777708 | Method for manufacturing an exhaust manifold | Donald Kohler | 1988-10-18 |
| 4765437 | Stamp formed muffler with multiple low frequency resonating chambers | Bruno A. Rosa, Bennie A. Van Blaircum, Mark S. Kimmet | 1988-08-23 |
| 4760894 | Exhaust muffler with angularly aligned inlets and outlets | James W. Emrick, Bruno A. Rosa, Bruce G. Kratzer | 1988-08-02 |
| 4759423 | Tube and chamber construction for an exhaust muffler | Bruno A. Rosa, James W. Emrick, Perry A. Main | 1988-07-26 |
| 4736817 | Stamp formed muffler | — | 1988-04-12 |
| 4732025 | Precision bending apparatus and process | Terrance C. Marlinga, Gerald R. Trudell | 1988-03-22 |
| 4712295 | Clamp apparatus | Camille Peele, Peter L. Resuggan | 1987-12-15 |
| 4700806 | Stamp formed muffler | — | 1987-10-20 |
| 4656712 | Method for manufacturing a heat shielded exhaust system component | Michael Clegg, Bruno A. Rosa, Walter G. Moring, III | 1987-04-14 |
| 4656713 | Method for forming an air gap pipe | Bruno A. Rosa, Walter G. Moring, III, Peter L. Resuggan | 1987-04-14 |
| 4619292 | Air gap pipe | — | 1986-10-28 |
| 4590652 | Method for fabricating an air gap pipe | — | 1986-05-27 |
| 4537027 | Hybrid exhaust manifold | Michael Clegg, Mark C. Treadwell | 1985-08-27 |
| 4501302 | Air gap pipe | — | 1985-02-26 |
| 4475623 | Universal muffler assembly | James E. Gerber, Clinton R. Hay | 1984-10-09 |
| 4473131 | Threaded muffler nipple and bushing | Michael Clegg, James E. Gerber, Clinton R. Hay | 1984-09-25 |