Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4969537 | Muffler assembly and method of manufacture | Wayne M. Wagner, John Campbell, William L. Burchett, John S. Wiese, John Hiemstra | 1990-11-13 |
| 4790574 | Apparatus for coupling tubular members | Wayne M. Wagner, Douglas E. Flemming, Gary J. Rocklitz | 1988-12-13 |
| 4676111 | Method and apparatus for sound testing mufflers | Wayne M. Wagner | 1987-06-30 |
| 4632216 | Muffler apparatus and method for making same | Wayne M. Wagner, Steven D. Schmeichel | 1986-12-30 |
| 4558891 | Clamp for exhaust system | Wayne M. Wagner, Steven D. Schmeichel | 1985-12-17 |