Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5600952 | Auxilliary drive apparatus | Ewan Choroszylow | 1997-02-11 |
| 5598618 | Mainrotor machining process and apparatus | Ewan Choroszylow | 1997-02-04 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5600952 | Auxilliary drive apparatus | Ewan Choroszylow | 1997-02-11 |
| 5598618 | Mainrotor machining process and apparatus | Ewan Choroszylow | 1997-02-04 |