Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8371225 | Device, method, and apparatus for lifting a railway rail | Jan A. Svendsen | 2013-02-12 |
| 7895949 | Device, method and apparatus for lifting a railway rail | Jan A. Svendsen | 2011-03-01 |
| 7740117 | Neutral section insulator | Peter Shrubsall | 2010-06-22 |
| 7552807 | Neutral section insulator | Peter Shrubsall | 2009-06-30 |
| 5797475 | Coin validation | Richard Douglas Allan, Nicola Funnell | 1998-08-25 |
| 5718625 | Coin store | — | 1998-02-17 |
| 5651444 | Coin handling apparatus and methods of determining information regarding moving coins | Robert Sydney Walker | 1997-07-29 |
| 5386902 | Coin routing gate | Timothy Waite | 1995-02-07 |
| 5356333 | Coin storage device | John J. Comfort | 1994-10-18 |