Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE40313 | Piloting configuration for thrust bearing assembly | Edward P. Butler III | 2008-05-13 |
| 7073951 | Piloting configuration for thrust bearing assembly | Edward Butler | 2006-07-11 |
| 6905250 | Thrust roller bearing assembly | John J. Lynch, Edward Butler | 2005-06-14 |