Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9527701 | Dual drive winch and nuclear reactor vessel maintenance apparatus employing same | David P. Ketcham, Stafford L. Turner | 2016-12-27 |
| 8254516 | Control rod drive outer filter removal tool | David P. Ketcham, Stafford L. Turner | 2012-08-28 |