Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4868798 | Contact ultrasonic transducer head | Michael Hacker, Orville L. Lindsey, Thomas J. Smentek | 1989-09-19 |
| 4804038 | Remotely installed, operated and removed manipulator for steam generator | Francis C. Klahn, Charles E. Werner | 1989-02-14 |