Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5111142 | Eddy current proble with adjustable position rotating head | James D. Hoeffel, James S. Nevitt, Richard E. Elliott | 1992-05-05 |
| 5059904 | Control circuit for variable characteristic rotating eddy current probe | James D. Hoeffel | 1991-10-22 |