Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6746156 | Ceramic ball bearings and assembly | James V. Guiheen, Robert Feest, Charles J. Gasdaska, Steven Sund | 2004-06-08 |
| 6679678 | Increased wear-life mechanical face seal anti-rotation system | Kellan Geck | 2004-01-20 |