Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5508609 | Monitoring apparatus for detecting axial position and axial alignment of a rotating shaft | James R. Parkinson | 1996-04-16 |
| 5228349 | Composite power shaft with intrinsic parameter measurability | James R. Parkinson | 1993-07-20 |