Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6834591 | Proximity fuze | David E. Patrick, John McCune Anderson | 2004-12-28 |
| 6129022 | Ammunition safety and arming unit | Dennis Hickey | 2000-10-10 |
| 4944288 | Physiotherapy apparatus | — | 1990-07-31 |
| 4844055 | Physiotherapy apparatus | — | 1989-07-04 |