Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4627821 | Helicopter rescue device | James Bradley, George E. Evans, Donald Mackenzie | 1986-12-09 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4627821 | Helicopter rescue device | James Bradley, George E. Evans, Donald Mackenzie | 1986-12-09 |