Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9272781 | Rotor system anti-rotation wear protector | Clifton B. Day, Danny Spivey, Brian S. Modrzejewski, Tim Stark | 2016-03-01 |
| 9193454 | System and method for providing for collective control in an aircraft | Brian S. Modrzejewski, Gary D. Hall, John Richard McCullough, Glenn Alan Shimek, Danny Spivey +2 more | 2015-11-24 |