Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5629595 | Method and apparatus for an amusement ride having an interactive guided vehicle | Daniel A. Armstrong, John D. Charlesworth, Robert S. Bollinger | 1997-05-13 |
| 5590605 | Conveying device with self steering powered caster | Daniel A. Armstrong, Ted W. Fredrick | 1997-01-07 |