Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4586707 | Competitive game | David Leslie McNeight, Pauline Chorlton | 1986-05-06 |
| 4463250 | Method and apparatus for use against counterfeiting | David Leslie McNeight | 1984-07-31 |