Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7969639 | Optical modulator | Mark McNie, Keith Lewis, Andrew M. Scott, Christopher William Slinger, Kevin Michael Brunson | 2011-06-28 |
| 6980362 | Optical filters | Keith Lewis, Mark McNie | 2005-12-27 |
| 4876150 | Langmuir blodgett films | Mervyn F. Daniel, John W. Barton, Norman Ratcliffe | 1989-10-24 |