Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6799670 | Coin validation | — | 2004-10-05 |
| 6404090 | Apparatus for obtaining certain characteristics of an article | Peter E. Phillips, Norman Raymond Malzard, Alexander Baitch | 2002-06-11 |
| 5833042 | Coin discriminator | Alexander Baitch, Lawrence Peter Phillips, Norman Raymond Malzard, Phillip Andrew Wolstoncroft | 1998-11-10 |