Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5948023 | Monitoring and/or control system for a dual-engine helicopter for one engine inoperative flight operations | Charles W. Evans, David L. Jenson, John M. Kronsnoble | 1999-09-07 |
| 5023797 | Range maximizing, stable, helicopter cruise fuel conservation | Nicholas D. Lappos, David M. Walsh, David H. Sweet | 1991-06-11 |
| 5020316 | Helicopter control with multiple schedule rotor speed decay anticipator | David H. Sweet, Nicholas D. Lappos, David M. Walsh, Richard P. Meisner | 1991-06-04 |
| 4998202 | Helicopter, high rotor load speed enhancement | David M. Walsh, Nicholas D. Lappos, David H. Sweet | 1991-03-05 |