Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7210560 | Folding platform structure | — | 2007-05-01 |
| 5206699 | Sensing a narrow frequency band of radiation and gemstones | Andrew D. G. Stewart, Robin W. Smith, Martin P. Smith, Martin Cooper, Christopher M. Welbourn +1 more | 1993-04-27 |