Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8951130 | Flexible shaft assemblies | Tracy R. Nelson, William L. Huddleston | 2015-02-10 |
| 8875650 | Valve assemblies including valve seat assemblies | William L. Huddleston | 2014-11-04 |