Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6354398 | Mufflers for use with engine retarders; and methods | Theodore G. Angelo, Eivind Stenersen, John Hiemstra, Wayne M. Wagner, Ted J. Wiegandt | 2002-03-12 |
| 6334506 | Muffler arrangements and methods | Matthew Jones | 2002-01-01 |