Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4882937 | Strain sensor for attachment to a structural member | — | 1989-11-28 |
| 4879901 | System for evaluating the condition and performance of a valve and valve operator combination | — | 1989-11-14 |
| 4879511 | Flat, multiconductor cable coil device for in situ detecting of axial motion of a generally cylindrical member | — | 1989-11-07 |
| 4805451 | System for evaluating the condition and performance of a valve and valve operator combination | — | 1989-02-21 |