Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4937524 | Rotating eddy current roller head for inspecting tubing | John C. Griffith, Francis C. Klahn | 1990-06-26 |
| 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 |
| 4700662 | Sludge lance wand | Frank Klahn, Bruce William Schafer, Charles E. Werner | 1987-10-20 |