Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6459963 | Methods and apparatus for trimming engine control systems | Sridhar Adibhatla, Matthew William Wiseman | 2002-10-01 |
| 5672327 | Beneficiation of kish graphite | Maxime Leduc, Jean-Guy St-Hilaire, Christian Garceau | 1997-09-30 |
| 5560892 | Apparatus system for beneficiation of kish graphite | Maxime Leduc, Jean-Guy St-Hilaire, Christian Garceau | 1996-10-01 |
| 5170365 | Propeller speed and phase sensor | Paul D. Collopy | 1992-12-08 |
| 4958289 | Aircraft propeller speed control | Michael J. Sum, Steven A. Merrell, Neil Walker | 1990-09-18 |
| 4772179 | Aircraft thrust control | Neil Walker | 1988-09-20 |
| 4772180 | Aircraft thrust control | Neil Walker, Stanley G. Day, Paul D. Collopy | 1988-09-20 |
| 4338061 | Control means for a gas turbine engine | Richard S. Beitler, Frederick J. Sellers | 1982-07-06 |