Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5636848 | Oil seal for a high speed rotating shaft | Kellan Geck, William L. Giesler, David M. Mathis | 1997-06-10 |
| 5538258 | Oil seal for a high speed rotating shaft | Kellan Geck, William L. Giesler, Gary A. Farnsworth | 1996-07-23 |