Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6976463 | Anti-rotation deactivation valve lifter | Mark J. Spath, Nick J. Hendriksma, David Draeger | 2005-12-20 |
| 6874234 | Process for forming steel roller bearings | David W. Koetsier, Robert H. Erhardt | 2005-04-05 |