Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8536514 | Method and apparatus for measuring the temperature of a sheet material | Thomas G. R. Beynon, Ian Hamilton Ridley, Andrew Mellor, Ben C. Wileman, III | 2013-09-17 |
| 8042997 | Radiation thermometer | Adrian John Masefield Lyndon, Ian Hamilton Ridley | 2011-10-25 |
| 7429112 | Retro-reflector assembly and opacity monitor incorporating same | — | 2008-09-30 |
| 6781695 | Light source for open-path gas monitoring | Richard Andrew Hovan, Derek Stuart | 2004-08-24 |