Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6390692 | Mirror system having reduced vibration for a single-lens-reflex camera | — | 2002-05-21 |
| 4653954 | Apparatus for moving a traffic barrier | Leslie S. Stone | 1987-03-31 |
| 4474503 | Traffic control apparatus | Leslie S. Stone | 1984-10-02 |