Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6384369 | Liquid filter construction and methods | David B. Harder, John R. Hacker, Gerald D. Kiral, Ronald W. Streitmatter, Kevin K. Socha | 2002-05-07 |
| 6354398 | Mufflers for use with engine retarders; and methods | Theodore G. Angelo, John Edward Hamrin, John Hiemstra, Wayne M. Wagner, Ted J. Wiegandt | 2002-03-12 |