Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5746645 | Working a natural or synthetic hard stone such as a gemstone | David William Beal, Peter Armstrong Aked, David A. Homer, Eric Jozef Gentil Blondeel, Ewan Croucher | 1998-05-05 |
| 5184732 | Shape sorting | Robert W. Ditchburn, Martin Philip Gouch, Nigel R. Cook, Stephen P. Holloway, Ian W. Bowler | 1993-02-09 |