Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5713600 | Failsafe stabilizer for aircraft loader | John S. Harlan, Raymond L. Hickman | 1998-02-03 |
| 5396977 | Conveyor apparatus for directionally controlled translation of an article | Robert J. Notman, Raymond L. Hickman, Robert C. Engholm | 1995-03-14 |