Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5622340 | Rail switch point assist apparatus | Michael K. Flaherty | 1997-04-22 |
| 5482231 | Rail switch point assist apparatus | Michael K. Flaherty | 1996-01-09 |
| 5481153 | Acoustic non-destructive testing | — | 1996-01-02 |
| 5375796 | Railway switch stand having slide block actuator and two independent operating mechanisms | Michael K. Flaherty, Clarence L. Flessate | 1994-12-27 |
| 4816666 | Apparatus and methods for inspection of electrical materials and components | — | 1989-03-28 |
| 4680591 | Helical antenna array with resonant cavity and impedance matching means | Walter J. Axford, Francis R. Trumble | 1987-07-14 |
| 4255660 | Detectors of penetrating radiation | Stephen J. Blundell | 1981-03-10 |