Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9475149 | Optical device and method of making same | — | 2016-10-25 |
| 9099012 | Adjustment of altitude measurements | Gordon Ritchie | 2015-08-04 |
| 8794970 | Control systems to emulate jet aircraft in reciprocating engine-powered trainers | — | 2014-08-05 |
| 8784107 | Flight training system | Keith Shean, Robert Herbert, Gordon Ritchie | 2014-07-22 |