Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5184732 | Shape sorting | Martin Philip Gouch, Nigel R. Cook, Timothy James Osgood, Stephen P. Holloway, Ian W. Bowler | 1993-02-09 |
| 4946045 | Sorting | Martin Philip Gouch | 1990-08-07 |
| 4461568 | Assessing the color of gemstones and the like | Christopher M. Welbourn, Andrew D. G. Stewart | 1984-07-24 |